38 Bulletin 4j, United States National Museum. 



snout than anj^lo of the month. Eye moderate. Teeth fg, their form as 

 in G. lamia, the upper reguhirly triangular, without notch, narrow in the 

 young, the lower narrowly triangular, erect, on a broad base; all the 

 teeth distinctly and evenly serrated. First dorsal beginning at a dis- 

 tance -t its own base behind the pectorals and ending a little more than 

 its base before the ventrals. Space between dorsals 2? times base of first 

 dorsal, 7 times that of second. Height of first dorsal f the depth of the 

 body ; pectoral reaching past first dorsal. Second dorsal very small, not 

 ,', tlie height of the first, smaller than anal and nearly opposite it. Pec- 

 torals long and l)road, reaching past base of dorsal, 5| in body. Tail 3i^ 

 in length. Color plain light gray. San Diego Bay and southward along 

 the Mexican coast. Very close to C. lamia, but the dorsals and pectorals 

 smaller and the first dorsal farther back. (Diminutive of lamia.) 



Carcharias lamiella, Joupan & Giluf.ut, Proc. U. S. Nat. Mus., 1882, 110, San Diego ; Joriian & 

 GiLiiEiiT, Synopsis, 873, 1883. (Type, No. 273CG.) 



48. CARCHARHIXUS LAMIA,* (Rifinesque). 



(Cub-suark; Requin; Eeiji'iem ; Lamia.) 



Head broad, depressed; snout short and rounded, nostrils midway be- 

 tween its tip and the front of the mouth ; breadth of mouth 2^ times 

 length of preoral part of snout. First dorsal very large, inserted close 

 behind the base of the pectoral, its height a little greater than the length 

 of its base, its anterior margin convex, its upper angle rounded, its pos- 

 terior border nearly straight, its lower angle pointed, its height about 

 equal to greatest depth of body ; second dorsal much smaller than first, 

 about equal to anal ; pectorals at least twice as long as broad, 5 times 

 in body ; upper lobe of caudal J the total length, twice the inferior lobe. 

 Grayish, fins rarely darker at tip. L. 10 feet. Tropical parts of the At- 

 lantic; common northward to Florida Keys, abundant in the Caribbean 

 Sea and in the Mediterranean; a man eating shark, notorious in warm 

 regions as a greedy scavenger about wharves, (^in/z/w, lamia, sea-monster, 

 from hu/iuc, devouring hunger.) (Eu.) 



Canis carcharias, Lamia or Requin of early writers. 



Squabis carcharias of most early French and Italian writers, not of Linna^ns. 



Carcharias lamia, Rafinesque, Indice (Flttiol. Sicil.,44, 1810, Sicily, (after Lacepede). 



Carcharhinns commersoni, Blainville, Bull. Sci. PLiloni., 181G, 121, (based on Lacepede's figure 



of Sqnahis carcharias.) 

 Sqtudus carcharias, CuviER, Regno Animal, based on Cunis rarrhnrias of Bellonius. 

 Carcharia.i lamia. Risso, Hist. Nat. Europ. Merid., m, 119, 182G, Nice. 

 Squalns longimanns, Poey, Mnmorias, ii, 338, 1861, Cuba. 

 Eulamia longimana, Poey, Synopsis, 48, 18G8. 

 Enlamia lamia, Poey, Emimcratio, 188, 1875. 

 CSiircfcaria«;amia, Gunther, Cat., VIII, 372, 1870; Jordan, Proc. V. S. Nat. Mus., 1884, 104. 



* Carcharhinns leiicos, (Valenciennes): Pectorals rather long, but shorter tlian in C. himia; first 

 dorsal with pointed angles, its anterior border not convex, and its posterior bowler little exca- 

 vated (l)umeril); otherwise about as in C. lamia, with which it is probably identical. West 

 Indies; Algiers. {\tvK6';, white.) 



Carchnriaa leitcon, Valenciennes, in Miiller & Honle's Plagiostomen, 42, 1838, Antilles; 

 Dumeril Hist. Nat. Poias., 358. 



