Jordan and ILvermann. Pishes of North America. 31 



:u. mimmuACis IIENLEI, GUI. 



Snout produced, slender. L. 2| feet. Color uniform reddish brown 

 above, pale below, the pectoral, ventral, and anal fins margined with 

 paler. Coast of California from Humboldt Bay to Monterey, a rather rare 

 and imperfectly known species. (Named for Prof. J. Heiile, the associate of 



.Johannes Miiller.) 



Hlthuitriiu-i* Iteitlci, GILL, Proc. Ac. Nat. Sci. Phila., 1862, 480, San Francisco. 



Triai <,< henki, JORDAN & GILBERT, Synopsis, 20, 1883. 



21. TRIAKIS, Muller & Henle. 



Trialdx, Mi'i.i.KK &, HENLE, Magazine of Natural History, n, now series, 36, 1838, (scyllium). 

 ( Triads, corrected spelling.) 



Body compressed, elongate; mouth large, crescent-shaped, with well- 

 developed long labial folds; teeth moderate, numerous, similar in both 

 jaws, each with a longer median cusp, and 1 or 2 smaller ones on each 

 side; eyes small, with nictitating membrane; spiracles small, behind the 

 eyes; no pit at the root of the caudal; no lower lobe to the caudal; first 

 dorsal fin opposite the space between the pectorals arid ventrals. Embryo 

 without placenta. Coloration variegated, black and gray. Pacific and 

 Indian Oceans, (rprif, three; UKIS, point.) 



35. TRIAKIS SEMIFASCIATUM, Girard. 

 (CAT SHARK; LEOPARD SHARK.) 



Snout moderately produced, rounded. Nostril with a broad anterior 

 flap. First dorsal fin nearly midway between the pectorals and ventrals; 

 the second dorsal not much smaller than the first, and partly in advance 

 of the anal. Gray, the upper parts with well-defined black cross bauds, 

 narrower than the interspaces ; a row of rounded black spots along the 

 sides of the body, alternating with the interdorsal crossbars. L. 3 feet. 

 Cape Mendocino to San Diego, common ; a handsome shark, readily known 

 by its variegated coloration, (semifasciatus, half banded.) 



Triakis semifftnci<iinm, GIRARD, Proc. Ac. Nat. Sci. Phila. ,1854, 196, Presidio de San Francisco; 



JORDAN & GILBERT, Synopsis, 20, 1883; GUNTHER, Cat., vai, 384, 1870. 

 Muatehw felin, AYRES, Proc. Cal. Ac. Sci., 1854, 17, San Francisco. 



22. GALEORHINUS, Blainville. 



(TOPES.) 

 *,<(/'.>,* RAFINESQUE, Caratteri Alcuni Nuovi Generi, 13, 1810, in part, (j/atew, etc., although 



that species is not explicitly mentioned). 



'.<W7<< M .s, BLAINVILLE, Bull. Sci. Philom., 1816, 121, (galeus). 

 iJ'ilnts, CUVIER, Regue Animal, Ed. i, 127, 1817, (galeus). 

 I-:<ii<ileu, GILL, Proc. Ac. Nat. Sci. Phila., 1864, 148, (galeus). 



First dorsal opposite the space between the pectorals and ventrals; 

 mouth crescent-shaped, with the teeth alike in both jaws, oblique, 

 notched, and serrated; spiracles present, small; nictitating membrane 

 present ; no pit at the base of the caudal; caudal fin with a single notch. 

 Tropical seas, (yafabg, a kind of shark, like a weasel, pivy, shark.) 



* See note under Galeus. 



