290 CONTRIBUTIONS TO XORTII AMERICAN ICHTHYOLOGY - IV. 



the middle of the body; an;d tin small: caudal sm.-.ll, forked, its central 

 ]>art scaly: pectoral rather narrow; adipose, tin small, fringed, present 

 in the young, but usually disappearing with age. Branchiostegals ;> or 4. 

 I'seudobranchia' well de\ eloped. Air-bladder large. silvery. No pyloric 

 cu-ca : mucous membrane of stomach papillose. Atlantic < )cean, in deep 

 waters. (;c///-, small; <>-('>;i.a, mouth.) 



ITS. I?l. grffiiilnmdiriiiii l.Vinh. 



"This fish a]>]iears to be intermediate between Arycnlhm and Micro- 

 xtoma, having the dorsal fin inserted for the greater part in advance of 

 the vrntrals. and a series of line teeth in the lower jaw. Teeth on the 

 vomer, noiie on the tongue. Adipose tin conspicuous. The height of 

 the body is one-half the length of the head and one-tenth of the total." 

 II. ."; I). 11; A. 10; V. 10. (Gihitlicr.) Greenland. 



(MicroKlnnuix griliiI(iinHritN Rcinli. Vidensk. Sclsk. Niiturv. Matheni. Afhandl. viii, 

 1MI. Ixxiv: (.iiutlicr. vi, >J05.) 



139. ftlAlLLOTlIS* Cuvier (nng). 



Form and dentition of Tlutlcichtht/N. No trace of scales in the known 

 examples, which are immature. Dorsal tin well backward over ventrals, 

 its insertion nearer the tip of the caudal than the snout ; adipose tin long 

 and low, its height much less than the length of its base, its base little 

 shorter than that of the dorsal: pectoral rays in increased number; 

 anal moderate. Pseudobrancliia- well developed. Branchiostegals !. 

 I'yloric caeca 4. 



17IJ. JI. viEBosus (Miillrr) Cnvier (i/onni/). 



Translucent whitish; a silvery lateral stripe; upper regions closely 

 punctate. Kye a little shorter than snout, 1 in head. .Minute teeth in 

 both jaws; middle of tongue rough; maxillary reaching front of pupil. 

 Ventrals and pectorals ab::iit equal in length to the longest dorsal ray, 

 which is 7 times in length of body; ventrals inserted below first ray of 

 dorsal, not reaching vent; space between dorsal and adipose tin two- 







thirds length of head; length of adipose fin more than twice its height, 

 two-thirds base of anal. Head 1; depth (i. I). IL'; A. L'l ; V. 8j I*. Hi. 

 L. 4 inches. P.chring's St raits. Probably developed scales when adult. 



A^ iln-sr pa^rs arc pas-iin^ tliroii^li ili<- pri >s, \\r li-ani from I)r. llcaii tliat tin- 

 hi-i-t- ili'srriln-d. collrclcil liy liini in Tx-lirin-'N S'raits, is not a distinct j^ciius and 

 hpccics av ;it first Mipjiuscd. Inil tin- .M" 1 ' 1 ,^"' M<iHnlnn rilluxiix. We tlicrcfurc sup- 

 press tin- ] imposed generic a; id specific names, letting I lie dcs< i -ipt imi remain, it 

 ton late In caned t he lat ti-r. 



