Table 6. --Sizes of five Lagenorhynchus obliquidens 



Tac 59- Tac 59- Tac 59- Tac 59- MS 59- 



Measurements 1 PStr. j 2 PStr. d" 3 PStr. $ 4 PStr. $ 1 PStr. (J 



length Cm. Cm . Cm . Cm. Cm. 



Snout to tail notch 183.0 181.3 169.5 182.4 163.0 



Length of beak 2.4 3.7 3.3 3.0 



Snout to gape 21.4 20.6 20.0 21.7 



Snout to eye (center) 25.5 24.5 23.0 23.8 



Snout to blowhole 21. 3 27. 5 27. 1 23. 



Snout to insertion of flipper 40. 41.3 36. 1 39. 1 



Tail notch to tip of fin 72. 77. 71.1 76. 



Tail notch to anus 50. 2 50. 5 46. 5 51.0 



Tail notch to genital slit 54. 66. 4 51.9 57. 9 



Tail notch to umbilicus 95. 8 95. 5 90. 2 97. 3 



Height of fin 18.2 18.6 19.8 21.2 



Length of base of fin 27.5 25.3 28.2 31.0 



Length of flipper 



(insertion to tip) 33.7 35.0 35.1 33.5 



Width of flipper (widest part) 11.0 11.8 10.9 10.8 

 Girth (immediately behind 



flipper) 102.2 105.8 105.5 110.9 



Weight Kg. Kg. Kg. Kg. 



Liver 1. 95 2. 2. 05 2. 15 



Heart 0.7 0. 8 0. 62 0. 65 



Lungs 2.0 2.0 1. 85 2.3 



Kidneys 0. 6 0. 65 0. 55 0.7 



Total weight of animal 84. 90. 5 85. 88. 72. 



Table 7. --Number and location of Orcinus orca observed 



Date Number seen Location 



1958 Latitude Longitude 



1 34°05' N. , 120''25' W. 



3 miles N San Miguel Island 

 3 36°50' N. , 123''15' W. 



45 miles SW Pigeon Point 



1 47°47' N. , 125°00' W. 



22 miles WNW Destruction Is. 



2 35°15' N. , 121°54' W. 



50 miles W Point Buchon 

 6 37°39' N. , 123°06' W. 



6 miles WSW Farallon Islands 



3 34°39' N. , 122°21' W. 



80 miles W Point Arguello 

 15 40°38' N. , 125''21' W. 



44 miles WNW Cape Mendocino 

 3 41°09' N. , 125°22' W. 



55 miles W. Trinidad Head 



6 , 38°51' N. , 124°15' W. 



25 miles W. Point Arena 



5 36°57' N. , 122°24' W. 



15 miles SSW Pigeon Point 

 2 36°12' N. , 122''20' W. 



25 miles WSW Point Sur 

 15 37°29' N. , 122°58' W. 



32 miles SSW Point Reyes 



15 



