191 CATALOGUE OF 



Abdomen blackish and rugulose above. Cerci blackish, short, slender. Legs 

 tawny, very stout ; fore tibiae with two small spines on the outer side beyond 

 the middle and with one larger spine on the inner side near the tip; middle 

 tibiae with three spines on the outer side and with one spine on the inner 

 side; hind tibia; with four spines on the outer side and with five on the 

 inner side, the fifth very small. Length of the body 12 lines. 



It is apterous, and may be the male of the preceding species. It agrees 

 generally with the description of S. mexicunus, but the description of the 

 latter does not quite accord with the specimen here recorded. 

 a. Mexico. Presented by E. P. Coffin, Esq. 



Group 6. 



Mas. Corpus robustum, glabrura. Caput magnum, prothorace 

 latius, inter antennas bicarinulatum, antice subpunctatum ; vertex tri- 

 lineatus; labium sat magnum. Palpi maxillares longi,graciles. Piothorax 

 antice latior, sulcis duobus transversis, 2a interrupia, marginibus antico et 

 postico subexcavatis, lateribus fere rectis. Abdomen subcompressum, pro- 

 thorace angustius et plus duplo longius; sexualia parva. Pedes crassi, 

 setulosi, breviusculi ; femora postica subtus quinquespinosa ; tibiae anticae 

 supra subtusque bispinosae ; tibiae poslicae extus quadrispinosae, intus 

 quiuquespinosae. 



Male. Body stout, convex, smooth, shining. Head large, broader 

 than the prolhorax, with three slightly impressed longitudiual lines on the 

 vertex; two short slight keels between the eyes; fore part vertical, very 

 slightly and thinly punctured ; labrum rather large. Eyes pyriform, rather 

 small, slightly prominent. Maxillary palpi long, slender. Third joint of 

 the labial palpi clavate, not longer than the second, with a distinct apical 

 vesicle. Piothorax transverse, broader in front, with two transverse furrows, 

 the first near the fore border, the second interrupted in the middle ; border 

 slightly reflexed ; fore border and hind border slightly excavated; sides 

 nearly straight. Abdomen slightly compressed, narrower ihan the piothorax 

 and more than twice its length; apical appendages small. Cerci of the 

 usual size. Legs thick, setulose, rather short; hind femora with five very 

 minute spines beneath; fore tibiae with two small spines beneath and with 

 two larger spines above; hind tibia? with four small spines on the outer 

 side and with five on the inner side; tarsi slender; third joint very short. 



15. Stenopelmaxus pallidus. 



Mas. Pallide testaceus ; mandibulie apice nigra; abdominis segmenta 

 picto fasciata. 



Male. Pale testaceous. Mandibles with black tips. Abdomen with 

 a piceous band on the hind border of each segment. Spines and claws 

 with black tips. Length of the body 11 lines. 



a. ? Presented by the Lords of the Admiralty. 



Group 7. 

 Mas. Corpus crassum, glabrum. Caput maximum, prothorace latins, 

 antice puuctatum et bicarinulatum; vertex valde rotuudatus; labrum sat 



