436 BULLETIN 152, UNITED STATES NATIONAL MUSEUM 



interregional furrows smooth. On each epigastric region a short 

 ■oblique ridge, a longer ridge on the hepatic region, a transversely 

 arcuate elevation on epibranchial region. Outer orbital tooth very 

 small, well separated from second lateral tooth which is small and 

 tuberculiform ; third to fifth teeth dentiform, third directed forward, 

 fourth and fifth outward, fifth smaller than the two preceding; margin 

 of teeth denticulate. Front truncate; lobes slightly sinuous, margin 

 thin, finely crenulate; a transverse row of coarse granules behind 

 and above margin giving the front the appearance of having a double 

 edge. Orbital margin granulate; two superior fissures little marked, 

 terminating in small emarginations ; lower margin with two subequal 

 teeth and a broad outer V-shaped fissure. Lower surface of carapace 

 granulate. 



-=*=<:: 



Figure 68.— Micropanope truncatifrons, female, holotype, dorsal view, X 3.2 



CheUpeds unequal in female, coarsely granidate. Arm short and 

 broad, triangulate, armed with rather sharp granides, larger on 

 margins. Granules of wrist in irregular masses and ridges; two inner 

 spines, the infero-posterior the smaller. Hand with superior groove 

 and double crest; outer granules diminish in size below, inner granules 

 very large near upper margin, diminishing toward lower and distal 

 margins. Fingers brown, deeply grooved, finely granulate, not gap- 

 ing when closed; dactylus of larger hand with large basal tooth. 

 Legs very slender, granulate; merus armed with small spines above, 

 carpus and propodus with spinules. 



Measurements. — Female holotype, length of carapace 7, mdth of 

 same 10.4, fronto-orbital width 6.5, width of front 3.5 mm. 



Range.— O^ Havana and Yucatan; 130 to 194 fathoms. 



Material examined. — See table, p. 437. 



