Got the assembly4_chromosomes.fa file from:

  sftp honeybee@genomes.tamu.edu (password: beehive)
  cd assembly4_chromosomes

  (information provided by Brian Herb and Rafael Irizarry)

Downloaded the file on March 5, 2008

9260 FASTA records:

o 16 big records (> 7M and < 30M base pairs each)
            from line -  to line
    Group1:         1 -   427631
    Group2:    427632 -   657235
    Group3:    657236 -   851830
    Group4:    851831 -  1026927
    Group5:   1026928 -  1234081
    Group6:   1234082 -  1487498
    Group7:   1487499 -  1671056
    Group8:   1671057 -  1859475
    Group9:   1859476 -  2017804
    Group10:  2017805 -  2198414
    Group11:  2198415 -  2405872
    Group12:  2405873 -  2567431
    Group13:  2567432 -  2714100
    Group14:  2714101 -  2856625
    Group15:  2856626 -  3001765
    Group16:  3001766 -  3102808

o 9244 small records (>= 564 and <= 167350 base pairs each)
    GroupUn.1 to GroupUn.9244:
              3102809 - bottom (line 3809863)

Use the splitbigfasta.sh script to split assembly4_chromosomes.fa