178 



THE MYRIAFODA OK NORTH AMERICA. 



M. umatus, Wood, Journ. A. N. S., new series, vol. v, 1868, p. 42. 



The alcohol in which the specimens were preserved having evaporated, they are in 

 such a condition that I can only guess at the original color of the body and feet. The 

 scnto-episcutal sutures are very distinct, as well as the subsegmental sutures of each fully- 

 formed segment. The sterna are furnished with a median sulcus, deeply marked on the 

 posterior, but obsolescent on the anterior portion of most of them. Length, 21 inches. 



Hub. California. — Smithsonian Collection. 



Genus GEOPHLLTJS, Leach* 



Segmentum cephalicum subquadratum. Segmentum prcbasule hand sejunotutu, sed basali absolute coalituni. 

 Segment! basalis margo posticus antico multo longior. Segmentum subbasalc sejunctum. Mandibulae modicBB, 

 interdum denticulatoe. Antennas capite multo longiores, subapproximatse, articulis insequalibus. Labium ple- 

 rumque emarginatum. (Fig. 19.) 



Fig. 19. 



Cephalic segment subquadrate. Frebasal segment not separate, but entirely coaloscont with the basal. Posterior 

 margin of the basal segment much longer than the anterior. Subbasal segment separate. Man- 

 dibles moderate, sometimes denticulate. Antennas much longer than the head, subapproximatc, their 

 joints unequal. Labium generally omarginate. 



Geopihltjs longucornks, Gervais, Apt. iv, p. 313. 



NKCROPHLinoPHAGUS, Newport, Proo. Zool. Soc., 1842, p. 180. • 



Arthronomalus, Newport, Linn. Trans., xix, p. 430; ct Catal. Brit. Mus. Myriap., p. 83; haud 

 Geophilus Newport et imitatores. 



Since Geophilus carpopliagm is the type of the original genus as instituted by Dr. Leach, 

 the name Geophilus must be used for this section, to which Q. carpophagas belongs, and 

 not for that to which Mr. Newport applies it. Mr. Gervais does not adopt any of these 

 genera, much to my surprise, for they appear to me as clearly and even beautifully defined 

 as almost any that I have ever seen. 



G. CEPHALICUS. 



Q. antice obscure aurantiacus, postice saturate olivaceus ; capite magno, lal.issimo, saturate aurantiaco; sogmonto 

 cephalico antice haud emarginato, sparse inordinatim punctato, marginibus lateralibus arcuatis; antennis modice 

 longis, valde pilosis; labio sparse inordinatim punctato, medio canaliculate, antice emarginato; pedibus longis, flave- 

 scentibus, pilosis, utrinque 48; suturis scuto-episcutalibus conspieuis; supcrficio ventrali, antice aurantiaca, posti.ee 

 saturate olivacea; sternis suturis sterno-episternalibus et depressione mediana impressis. 



Anteriorly obscure orange, posteriorly deep olive ; head largo, very broad, deep orange ; cephalic segment 



* Linn. Trans., vol. xi, p. 384. 



