EISHES OF WEST COAST OF PEEU. 23 



21. STOLEPHORUS TAPIRULUS (Cope). 



Engraulis tapirulus Cope, Proc. Amer. Pliilos. Soc, 1877. p. 45 (p. 29, sepa- 

 rate) ; Pacasmayo Bay. 



Stolephorus tapirulus Abbott, Marine Fishes Peru, Proc. Acad. Nat. Sci. 

 Phila., 1899, p. 335. 



22. STOLEPHORUS PERUANUS (Steindachner) . 



Engraulis peruanus Steindachner. Icbtli. Beltr., 1879, vol. 8, p. 60; Callao. 

 Stolephorus peruanus Abbott, Marine Fishes of Peru, Proc. Acad. Nat. Sci. 

 Phila., 1899, p. 335. 



Genus ENGRAULIS Cuvier. 



KEY TO SPECIES REPRESENTED. 



a\ Depth 5.8 to 6.5 in total length ; eye 4.15 to 4.5 in head ; snout 6.27 



to 72 ringens, p. 23. 



a'. Depth 5.25 in total length; eye 4 in head; snout 4 (in drawing). 



nasus, p. 24. 



23. ENGRAULIS RINGENS Jenyns. 

 ANCHOBETA. 

 Plate 3, fig. 1. 



Engraulis ringens, Jenyns, Zool. Yoy. Beagle, 1842, p. 136 ; Callao. — Stein- 

 dachner, Ichth. Beitrage, 1S79, p. 62. — GiJNTHER, Cat. Fish. Brit. Mus., 

 1868, p. 386.— Steindachner, Fauna Chilensis, 1898, p. 331.— Abbott, 

 Marine Fishes of Peru, Proc. Acad. Nat. Sci. Phila., 1899, p. 336. 



Six specimens, field No. 09163, 13.6 to 14 cm. in length, from 

 Chimbote;* four, field No. 09528, 11.6 to 13.8 cm. in length, from 

 Lobos de Tierra ; and 38, field No. 298, 3.6 to 4.8 cm. m length, from 

 between Lobos de Tierra and Eten. 



Doctor Coker states that between Lobos de Tierra and Eten he 

 passed through many schools of " anchobeta." Among them small 

 red spots in the water were conspicuous. These spots consisted of 

 very small anchobetas. 



Head 3.1 to 3.25 in length; depth 4.75 to 5.25; eye 4.15 to 4.5 in 

 head; snout 6.27 to 7.2; maxillary 1.52 to 1.57; interorbital 5.8 to 6; 

 pectoral 1.77 to 2 ; ventrals 2.88 to 3.25 ; D. i, 14 or 15 ; A. 19 or 20. 



Body rounded above, slightly carinated below; snout short, 

 pointed, strongly projecting beyond jaws; eyes large; teeth small; 

 anterior rays of dorsal longest, 2 in head ; insertion of dorsal nearer 

 base of caudal by a distance varying from 0.75 to 1 diameter of eye ; 

 caudal forked ; anterior anal rays longest, distal margin slightly con- 

 cave ; pectorals and ventrals short ; scales large, deciduous ; some indi- 

 viduals when dry show marked venules on opercle. 



