OTOCRYPTOPS.—NEWPORTIIDZ. 29 
OTOCRYPTOPS. 
Otocryptops, Haase, Abhandl. Zool. Mus. Dresden, no. 5, p. 96 (1887). 
The well-established American species of this genus may be recognized by the 
following key :— 
a. Margins of the head strongly raised; labial border almost straight ; 
the tergites not bisulcate, the posterior, including the anal, with 
raised margins . . . eee es . . .  [seaspinosus (Say). ] 
6. Margins of the head simple ; tergites bisuleate and with aed margins. 
a‘. Anal tergite with elevated side-edges ; labial border produced, but 
not distinctly dentate . . . . . .... . . . . .~ [gracilis (Wood). ] 
6’. Anal tergite with rounded unraised edges. 
a’. Labial border produced and eee ; head wider ; claws 
with strong basal spurs . . . . os . ferrugineus, Linn. 
6’. Labial border straight or emarginate, not decay ddntate’ head 
narrower ; claws at most weakly spurred . . . . . . . melanostoma, Newp. 
1. Otocryptops ferrugineus. (Tab. III. figg. 2, 2a-c.) 
Scolopendra ferruginea, Linn. Syst. Nat. ed. 12, p. 1063 *. 
Otocryptops ferrugineus, Pocock, Journ. Linn. Soc., Zool. xxiv. p. 463 *. 
Hab. Mexico (Saussure), Omilteme 7000 to 9000 feet, and Amula 6000 to 7600 feet, 
both in Guerrero (H. H. Smith).—EcuapDor ; ANTILLES ?. 
This species is also abundant in the West Indies and in the mountainous parts of 
Ecuador, but has not been recorded from the Southern States of North America. 
Mr. Smith’s specimens were found under rotting wood, about clearings and in the 
forest. 
For the full synonymy of this common species reference may be made to my paper 
upon the Chilopoda of the West Indies (1. ¢.). 
2. Otocryptops melanostoma. (Tab. III. figg. 3, 3 a-c.) 
Scolopocryptops melanostoma, Newp. Trans. Linn. Soe. xix. p. 406". 
Otocryptops melanostoma, Pocock, Journ. Linn. Soc., Zool. xxiv. p. 464. 
Hab. Guatemaa, near the city (Stol/)—Braziu!; Antiuuzs, St. Vincent ?. 
For the rest of the synonymy, see Journ. Linn. Soc., Zool. xxiv. p. 464. 
Fam. NEWPORTIIDA, nov. 
Body composed of 23 leg-bearing segments, of which the terga are quadrisulcate and the sterna trisulcate, 
with traces of a median transverse sulcus; the posterior extremity of the sterna is defined by an arched 
transverse sulcus, the area thus defined being smooth and concealed beneath the anterior extremity 
of the following sternal plate. 
Head without eyes, overlapping the first tergite. 
Mazillary cove without distinct dental plates. 
