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PROCEEDINGS OF THE NATIONAL MUSEUM 

 Table 1. — Vertebral characters in sharks — Continued 



Family, genus, species, locality 



LAMNIDAE 



Isurm 

 I. oxyrinchus Raflnesque 

 MCZ 37994, Bahamas, embryo 

 New York-New Jersey (from J. Q. Casey) 



Puerto Quequfo, Argentina (from E. Slccardl) 



/. glaucus 

 UMMZ 177116, Japan 

 SIO 50-240, California 



I. species (Qarrlck, In ms.) 

 USNM 197427, Indo-Paclfic 

 USNM 197429, Indo-Pacific 

 Lamna 



L. nams (Bomiaterre) 

 BMNH 1961.11.2.1, English Channel 

 Puerto Quequ6n, Argentina (from E. Slccardl) 

 Locality unspecified (after Gilnther, 1870) 

 Western North Atlantic (after Aasen, 1961) 



Cnrcharodon 

 C. carcharias (Linnaeus) 

 CAS 26245, California 

 CAS 26361, California 

 CAS 26363, California 

 CAS 26366, California 

 CAS 26367, California 

 CAS 26678, California 

 CAS 26680, California 

 CAS 26376, California 

 CAS 26378, California 

 CAS 26694, California 

 CAS 26695, California 

 CAS 26781, California 

 CAS 26793, California 

 CAS 27013, California 

 CAS 27014. California 

 CAS 27015, California 

 Puerto Quequta, Argentina (from E. Slccardl) 



CETORHINIDAE 



Cetorhinus 

 C. maximus (Qunnerus) 

 CAS 25873, California 

 USNM (uncat.), off British Columbia 

 ALOPIDAE 

 Alopias 

 A. superciliosus (Lowe) 

 UMML 8861, Florida, two slbllngcmbryos 



MCZ 36155, Cuba, embryo 

 New York (from J. Q. Casey) 

 USNM 197700, California 

 A. vulpinus (Bonnaterre) 

 CNHM 52100, Formosa 

 SIO 52-19, QalSpagos, two sibling embryos 



50 



60 



110 

 110 



