191 



LXVII.— LAMNID.€. 



(JAPiCHAROrMlN-. Miiller .V Henle. 



(' ATW'nuIiT. 



Tlio Man-Eater. 



I'ody vei'v sliort ;intei'ir)r 1<i tiic ventral lins. I'fotoi'al^ 

 iat'j^c. Anal liack nt" st'coud ddrsal. 'rivtli in bi'dli jaws, 

 lilang'ular, serrated; iliosc of the l<i\vcr jaw tlic siiialh^'. 

 Ahoiit twonty-fdur leetli in t'acii i-ow. Almvr leaden L;rey: 

 ^^•llit(■ Ix'neatli. Nearly \',> feet in lc'ni;'l!i. 



r. oJirootH, Storei', Proc. P>o.st. Soc. Nat. Ifist. ill, ISIS. 

 p. 71: (iill, Proc. Ac. Nat. Sc. Philad. iSCi. ]). :i(J(l. 



I'hiters Chesapeake liayaud r^anis i)\er its eutii'e len<;-tli. 

 It pi'oeeeds sometimos as far as to the outer harhor of i>a]ti- 

 ]nore, and is iz;enerally the [error (d' hatliers in the Tatapseij 

 Uiver. 



i,,VVlJf._^AP()P!'X'l[T):P;. 



ALOPIAS. Altill. .V Ilenh>. 

 A. vru'Es. 



Tlie Thresher Sharic. 



lUidy cylindidcai. thickest l)elore the doi'sal lin, with a 

 I'idf^'e on its upper surlaee towards the tail, and a dee]) cavity 

 at the base of caudal lin. I'ack regularly arched from ahove 

 the pi^'torals to the end of the snout, which is hlunt. Mkin 

 roujj:ht'ned with minute prickles, which are directed l)aek- 

 wards, and obvious to the touch. Mouth in shape of a lior.se^ 

 shoe, w'ith three rows of distant, tiat, triangular^ smooth- 

 edged teeth in each jaw. Upper lobe of the tail uearlv us 

 long as the body. Length 12 to 1.") feet. Slate-blue above: 

 beneath soiled white, marked with, oltsolete bluish spots upon 



