328 PROCEEDINGS OF THE ACADEMY OF [1899. 



For comparison the following measurements were taken on a 

 specimen of G. dorsalis collected by Dr. Gilbert at Panama: 



Snout to first dorsal . 31 



Base of first dorsal 12 



Margin of first dorsal 13 



luterdorsal 20 



Base of second dorsal 10 



Anterior margin second dorsal 10 



Second dorsal to caudal tip . . 27 



Caudal lobe Ofio 



Anal to caudal tip 26 



Anal to ventrals 15^- 



Ventral, anterior margin 08 



Anal, anterior margin 075 



Pectoral to ventral 25 



Anterior margin of pectoral 15 



Snout to pectoral (second slit) 21 



Snout to eye 085 



Eye 025 



4. Carcharhinus brachyrrhynclius (Pailippij. 



Carcharias brachyrrhynclius Philippi, Tiburoues de Chile, Ana'. 

 Univ. Chile, tomo Ixxi, 8, 1887 [Iquique]. 



SPHYRNID^. 



5. Sphyrna peruana (Philippi). 



Zygaena peruana Philippi, Tiburones, etc , de Chile, Auales Univ. 

 de Chile, lomo Ixxi, 13, 1887. 



Very abundant on the coast of Peru (Philippi). 



SQUATINIDiE. 



6. Squatina armata (Philippi). 



RJiina armata Philippi, 1. c. . 29, lam vii, fig. 1. 



Iquique. 



RAJID^. 



7. Psammobatis brevicaudatus Cope. 



P. brevicaudatus Cop^", Proc. Amer. Pliil. Soc, May 4, 1877, p. 32. 



Habitat. — Pecasmayu bay, Peru. 



8. Eaja chilensis Steindachner. 



Raja cliilemis Steindachner, Fauna Chilensis, 332, Taf. 21, fig. 15, 

 1898. 



Habitat. — Iquique. 



