294 



DISCOVERY REPORTS 



Table 2. Records of Joetal lengths of southern 

 hemisphere fin whales {Antarctic pelagic and 

 South Georgia). Length groups are given to the 

 first decimal place and, for example, group i -o-i -2 

 is to be taken as i-oi-i-20. 

 Length (m.) Oct. Nov. Dec. Jan. Feb. Mar. Apr. Total 



0-0-0-2 

 0-2-0-4 



0-4-O-6 

 0-6-O-8 

 0-8-I-0 



I-0-I-2 

 I -2-1 -4 



I-4-I-6 

 I-6-I-8 



I •8-2-0 

 2-0-2-2 

 2-2-2-4 

 2-4-2-6 

 2-6-2-8 



2-8-3-0 

 3-0-3-2 



3-2-3-4 

 3-4-3-6 

 3-6-3-8 

 3-8-4-0 

 4-0-4-2 

 4-2-4-4 

 4-4-4-6 

 4-6-4-8 

 4-8-5-0 

 5-0-5-2 



5-2-5-4 

 5-4-5-6 

 5-6-5-8 

 5-8-6-0 

 6-0-6-2 

 6-2-6-4 

 Total 



3 

 5 

 I 



9 

 5 



14 

 5 



10 



4 

 I 

 I 

 I 



3 



9 



10 



13 

 21 



8 



15 

 2 



14 

 15 

 10 

 10 



4 

 6 



2 



14 

 10 

 18 

 20 

 14 

 24 

 22 

 20 

 23 

 19 

 14 

 18 



9 

 16 

 II 



4 

 I 



4 

 3 

 I 



3 



2 



4 



7 



6 



8 



19 



13 



14 



15 



10 



20 



19 

 26 

 20 

 16 



7 

 13 

 18 



14 



H 



5 

 8 



4 

 I 



4 



4 

 3 

 6 

 6 

 9 

 5 

 6 



7 

 10 



5 



13 

 10 



5 



14 



10 



10 



8 



10 



3 



5 



4 



3 



2 



I 



9 



33 

 27 

 56 

 60 



50 

 72 



54 

 61 



59 

 47 

 52 

 51 

 47 

 SI 

 38 

 16 

 28 

 32 

 27 

 23 

 19 

 12 

 10 

 5 

 3 

 3 



23 59 142 271 284 165 7 95 



Table 4. Growth in length 

 fin whale embryos. See 



of southern hemisphere 

 text for explanation 



Month 

 Early June 

 Mid-July 

 Mid-August 

 Mid-September 

 Mid-October 

 Mid-November 

 Mid-December 

 Mid-January 

 Mid-February 

 Mid-March 

 Mid-April 

 Mid-May 

 Total 



Size of 

 sample 



3 

 2 



23 

 59 

 142 

 271 

 284 

 165 



Mean 



length 



{m.) 



0-809 

 1-069 



1-377 

 1-775 

 2-620 



3-056 

 4-128 



2 S.E. 



0-158 

 0-128 

 0-I2I 

 0-II2 

 0-128 

 0-188 

 I-I54 



Fitted 



curve 



0-00 



o-io 



0-30 



°-55 

 o-8o 

 1-07 



1-33 

 1-82 



2-55 

 3-40 

 4-70 

 6-40 



Table 3. Records of foetal lengths of southern 

 hemisphere blue whales {Antarctic pelagic only). 

 Length groups as in Table 2 



Table 5. Growth in length of southern hemisphere 

 blue whale embryos. See text for explanation 



956 — 



