FISHERY BULLETIN: VOL. 77. NO, 4 



52 N 



1 



6.(P)?Ma v 1964 



20°N- 



10 N- 



01" S. 



11.(P)Apr. 1970 

 9.(P)Apr. 1967 



17.(U)Mar 1975 



7. (U)May 1966 \ 

 12.(U)Dec 1970 / 



14.(U)May 1973 

 5.(P)Jun 1963 



1. (P)?? 1872 

 2.(U)?? 1872 

 3.(U)?1880,S? 



16.(U) Dec 1974. 

 13.(U)??1972 



10.(P)Jan 1969 



8. (PJMar 1967 



15.(U) Jun 1973 



100"W 



79° W 



Figure 4. — Dates and approximate locations of strandings and collections of Risso's dolphins in the eastern North Pacific ( 1972-75) 

 numbered in chronological order. The letters in parentheses indicate whether the record has (P) or has not (U) been previously 

 published. 



observations are correct, both mandibles de- 

 scribed by Dall, are unknown, as is the identity 

 of USNM 13021. 



2. (Unpublished). During the same period, 

 exact date also undeterminable, Scammon col- 

 lected a second specimen which he also forwarded 

 to True at the U.S. National Museum (USNM 

 21163). Like the first, this specimen was report- 

 ably taken in Monterey Bay, Calif. (C. H. Gil- 

 bert"). 



"C. H. 

 Hubbs. 



Gilbert undated letter to W. Dall, in possession of 



3. (Unpublished). There are three remain- 

 ing specimens from the Pacific coast of North 

 America in the collection of the U.S. National 

 Museum. One (USNM 28066) was purchased 

 from fishermen in Monterey; one (USNM 49895) 

 was taken from an unidentified locality in 

 California; and the third (USNM 49347) was col- 

 lected by C. H. Gilbert, presumably also in Mon- 

 terey. Interestingly, in referring to this last 

 specimen in his correspondance with Dall, Gil- 

 bert (see footnote 14) wrote "In addition to that, I 

 have the complete skeleton of a calf about 6 

 months old. The species is abundant in Monterey 



956 



