226 
MYRIOPODA. 
luLID^. 
Spiroholus agiliSf lulus ^montanus^ spp. nn., Montgomery County, Virginia. 
E. Cope, 1. c, 
Andrognathidce^ fam. nov., is a group intermediate between the suborders 
Strongylia and Sugentia, Labium a broad slightly cordate plate extending 
beneath the consolidated elements of the front, and having a slight mem- 
branous marginal attachment externally, leaving a small oval orifice at the 
anterior extremity. Mandibles rudimental, extremely minute, far within 
the margin of the inferior face of the head, composed apparently of two seg- 
ments. Segments of the body consolidated j prceanal segment an uninterrupted 
cylinder. E. Cope, Pr. Am. Phil. Soc. 18G9, p. 179. 
AndrognathuSy g. n. Joints of antennce 6 , the 6th and 7th confluent and, 
with the closely joined /5tli, forming a club. Supported by the short proximal 
joints. Segments of the body numerous (above 50 in the only species) j muzzle 
short. Connects the suctorial and mandibulate groups of Myriopods. — A. 
corticariuSj sp. n., Montgomery County, Virginia. E. Cope, 1. c. 
Petaserpes, g. n. Head concealed, to the bases of the antennse, by the 
shield-like expansion of the scutum of the first annulus. Oce//i two, beneath 
the margin of the same and at the approximated bases of the antennse j the 
latter large, stout, hairy, G-jointed. Annuli without lateral processes, each 
with two pores forming tAVO roAvs on each side of the body. — P. rosalbus, 
sp. n., East Tennessee. Allied to OctoglenUf Wood. E. Cope, Tr. Am. Ent. 
Soc. iii. p. 365 ; Ann. N. II. (4) vi. pp. 425-42G. 
PAUROPODA. 
Pauropus lubbockii, Salem, Mass., sp. n., A. S. Packard, Pr. Bost. Soc. xiii. 
p. 409; Am. Nat. iv. p. 621. 
