FAMILY CARAPIDAE — SCHULTZ 395 



description is too abbreviated to permit identification of lumbricoides. 

 Very special attention must be given to the collection of series of 

 Carapus from the various hosts in order to furnish sufficient informa- 

 tion on habits and characters for the proper separation of species. 



Figure 129. — Carapus homei (Richardson), USNM 122661, from the Albatross Philippine 



Collection. 



CARAPUS HOMEI (Richardson) 



Figure 129 



Oxybeles homei Richardson, Ichthyology, in Richardson and Gray, Zoology of the 

 voyage of H. M. S. Erebus and Terror . , . , p. 74, pi. 44 figs. 7-18, 1846 (type 

 locality, "Seas of Australia? and Timor"). 



Oxybeles brandesii Bleeker, Nat. Tijdschr. Nederl. -Indie, vol. 1, p. 276-278 

 figs. 1-3, 1851 (type locality, Banda). 



SPECIMENS STUDIED 



Eniwetok Atoll: 1 lot, Univ. Washington, 1 specimen, 89 mm. in total length. 

 Guam: 3 lots, 4 specimens, 86 to 128 mm. 

 Philippines: 1 lot, 1 specimen, 165 mm. 



Description. — Body elongate, tapering to a point posteriorly, head 

 about 6 to 8 and greatest depth about 10 to 14 in total length; anus 

 a little in front of a vertical line through front of pectoral fin base; 

 anal origin just behind anus; dorsal fin origin distinct, about 1.7 

 and 1.9 head lengths behind tip of snout; median fins continuous 

 around tip of tail; lateral line canal along middle of sides; gill mem- 

 branes joined far forward, but free from isthmus; gill opening reaching 

 to about one-fourth eye diameter above pectoral fin base; an opening 

 behind the fourth gill arch; postorbital length of head 1.5 to 1.7 in 

 length of head; greatest depth of body 1.5 to 1.8 in head, 0.86 to 1.1 

 in postorbital length of head; eye 2.2 to 2.6 in postorbital length of 

 head; maxillary free posteriorly, reaching past a vertical line through 

 rear of orbit; tip of snout to rear of maxillary 1.9 to 2.0 in head length 

 and about 1.2 in postorbital length of head; small conical teeth in a 

 narrow band in upper jaw with those of inner row a little enlarged 

 and one or two pairs of short caninelike teeth at symphysis; lower 

 jaw with larger conical teeth than upper, in a band, the outer row 

 forward, with enlarged caninelilve teeth much larger than those 

 in upper jaw^; palatines with a band of conical teeth; vomer with 2 to 4 

 enlarged canine teeth directed posteriorly; first 3 gill rakers on lower 



