308 ENTOMOLOGICAL SOCIETY 



Last sternum longer than broad; pleurae moderately prominent, with 

 numerous pigmental pores; anal legs unarmed, moderately crassate in the 

 male, slender in the female. 



Two specimens of this species were found in the undisturbed 

 forest of a hammock on Sugar Loaf Key ; three others were col 

 lected at Tampa.* 



ERITHOPHILUS, new genus. 



Body very small. 



Frontal lamina coalesced ; cephalic lamina not concealing the sides of 

 the prehensors ; prebasal lamina concealed and probably wanting; basal 

 lamina broad, the sides converging cephalad. 



Labrum similar to that of Geophilus, tripartite, the median division 

 dentate; not sufficiently examined owing to scarcity of material. 



Mandibles with a single pectinate lamella; surface of stipe pectinate ; 

 condylus not observed. 



Labial sternum entire, coalesced with the basal jointe of the maxillary 

 palpi and with the interior labial processes; basal joint of maxillary pal 

 pus also coalesced with the interior labial process ; distal joint of maxillary 

 palpus small, subquadrate, simple. 



Maxillary sternum broadly emarginate; maxillary palpus with basal 

 joint broad, subconic; distal joints subequal in length and width, nearly 

 naked ; claw small and simple. 



Sternum of prehensors with chitinous lines (sulci), scarcely emarginate 

 anteriorly; prosternal teeth obsolete; basal joint of prehensors convex 

 mesad, unarmed; claw unarmed. 



Scuta scarcely convex, with two longitudinal sulci. 



Spiracles round, decreasing in size caudad ; spiraculiferous scutellum 

 much smaller than the very large prescutellum, and about twice as large 

 as the postscutellum ; there is a row of three subequal middle scutella 

 and an expisternal postscutellum. 



Ventral pores present, but not numerous, occurring in a definite trans 

 verse area in the posterior part of the sternum of anterior segments, where 

 the poriferous area is not reticulated ; the area and the pores become less 

 distinct and finally obsolete caudad ; the episterna are not porose. 



* At Tampa I collected also a single specimen of a new genus apparently 

 related to Schizotaenia Cook, based on S. prognatha, from Liberia, in that 

 the claw of the anal legs is replaced by a scarcely chitinized. transparent, 

 hirsute, papilliform structure, which might be taken for a small seventh 

 joint. The prehensorial legs also resemble those of Schizotaenia, and 

 the coalesced coxae are provided with chitinous sulci, but the maxillary 

 sternum-is entire and without the p'eculiar processes of Schizotasnia. The 

 species may be known as Tylonyx tampce ; the female has 47 pairs of legs, 

 the last sternum is broad, and there are two pleural pores on each side. 



