Twin directories of biology:

[DIR]  ftp://ftp.reed.edu/mirrors/faqs/biology/
[DIR]  ftp://ftp.eutelia.it/pub/Sunsite_Mirror/science/biology/
[DIR]  ftp://ftp.internat.freebsd.org/pub/FreeBSD/ports/amd64/packages-8-current/biology/
[DIR]  ftp://ftp.internat.freebsd.org/pub/FreeBSD/ports/biology/
[DIR]  ftp://ftp.internat.freebsd.org/pub/FreeBSD/ports/i386/packages-8-current/biology/
[DIR]  ftp://ftp.internat.freebsd.org/pub/FreeBSD/ports/i386/packages-7.1-release/biology/
[DIR]  ftp://ftp.internat.freebsd.org/pub/FreeBSD/ports/i386/packages-7.0-release/biology/
[DIR]  ftp://ftp.internat.freebsd.org/pub/FreeBSD/ports/i386/packages-7-stable/biology/
[DIR]  ftp://ftp.internat.freebsd.org/pub/FreeBSD/ports/i386/packages-6.4-release/biology/
[DIR]  ftp://ftp.internat.freebsd.org/pub/FreeBSD/ports/i386/packages-6.3-release/biology/
[DIR]  ftp://ftp.internat.freebsd.org/pub/FreeBSD/ports/i386/packages-6-stable/biology/
[DIR]  ftp://ftp.netbsd.org/pub/pkgsrc/reports/SunOS/i386/5.10_2008Q4_sunpro/biology/
[DIR]  ftp://ftp.netbsd.org/pub/pkgsrc/reports/SunOS/i386/5.10_head-20090317_sunpro/biology/
[DIR]  ftp://ftp.gno.org/pub/apple2/prodos/educational/biology/
[DIR]  ftp://ftp.kreonet.re.kr/gnu/ibiblio/www/www.gnu.org/directory/Science/biology/
[DIR]  ftp://ftp.kreonet.re.kr/gnu/ibiblio/www/www.gnu.org/directory/science/biology/
[DIR]  ftp://ftp.kreonet.re.kr/gnu/ibiblio/www/directory/Science/biology/
[DIR]  ftp://ftp.kreonet.re.kr/gnu/ibiblio/www/directory/science/biology/
[DIR]  ftp://ftp.telstra.net/pub/FreeBSD/ports/amd64/packages-8-current/biology/
[DIR]  ftp://ftp.msstate.edu/pub/archives/biology/
[DIR]  ftp://ftp.denet.dk/mirrors/ftp.simtel.net/pub/simtelnet/msdos/biology/
[DIR]  ftp://ftp.sektornet.dk/mirrors/ftp.simtel.net/pub/simtelnet/msdos/biology/
[DIR]  ftp://ftp.darenet.dk/mirrors/ftp.simtel.net/pub/simtelnet/msdos/biology/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/os2/apps/science/biology/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/packages/current-packages/QNX/i386/6.4.0_head_20081005/biology/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/FreeBSD/ports/i386/i386/packages-5-stable/biology/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/packages/current-src/pkgsrc/biology/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/FreeBSD/ports/ia64/packages-7-current/biology/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/FreeBSD/ports/ia64/packages-6-stable/biology/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/FreeBSD/ports/i386/packages-8-current/biology/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/FreeBSD/ports/i386/packages-7.1-release/biology/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/FreeBSD/ports/i386/packages-7.0-release/biology/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/FreeBSD/ports/i386/packages-7-stable/biology/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/FreeBSD/ports/i386/i386/packages-7-stable/biology/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/FreeBSD/ports/i386/packages-6.4-release/biology/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/FreeBSD/ports/i386/packages-6.3-release/biology/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/FreeBSD/ports/i386/packages-6-stable/biology/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/FreeBSD/ports/i386/packages-5-stable/biology/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/FreeBSD/ports/amd64/packages-8-current/biology/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/FreeBSD/ports/amd64/packages-7.1-release/biology/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/FreeBSD/ports/amd64/packages-7.0-release/biology/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/FreeBSD/ports/amd64/packages-7-stable/biology/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/FreeBSD/ports/amd64/packages-6.4-release/biology/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/FreeBSD/ports/amd64/packages-6.3-release/biology/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/FreeBSD/ports/amd64/packages-6-stable/biology/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/FreeBSD/ports/amd64/packages-5-stable/biology/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/FreeBSD/development/FreeBSD-CVS/ports/biology/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/packages/current-packages/SunOS/i386/5.11_head/biology/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/packages/current-packages/NetBSD/x86_64/4.99.x/biology/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/packages/current-packages/NetBSD/x86_64/4.0_2008Q2/biology/