1904.] NATURAL SCIENCES OF PHILADELPHIA. 63 



compressed, each slightly exceedmg the metanotum in length; meta- 

 tarsi about as long as the remaining tarsal joints, not cristate. 

 Posterior femora somewhat compressed, equal to the three basal 

 abdominal joints in length; tibiae equal to the first three and half of the 

 fourth basal abdominal segments; metatarsi slightly exceeding the 

 remaining tarsal joints in length. 



General color gray-brown, the pronotum grayish ochraceous, head 

 with an indistinct blackish postocular bar. 



Measurements. 



Total leng-th, 82.5 mm. 



Length of pronotum, 3.5 " 



Length of mesonotum, 23.7 '' 



Length of metanotum (with median segment), .... 14 " 



Length of median segment, 8 " 



Ivength of abdomen, 38 



Length of anterior femora, 22.1 



Length of anterior tibise, 22 



Length of median femora, 14.5 " 



Length of posterior femora, 17.9 



Genus APLOPUS Gray. 



1835. Aplopus Gray, Synop. Ins. Fam. Phasmid., p. 34. 



Type. — A. micropterus (Lep. and Serv.) ( = Phasma angulata Stoll). 



Aplopus oytherea Westwood. 



1859. Haplopus Cyiherea Westwood, Cat. Orth. Ins. Brit. Mus., I, p. 86, 

 PL XVIII, fig. 5. [San Domingo, Haiti.] 



Two specimens, male and female; "West Indies." [U. S. N. M.] 

 As the female of this species was previously unknown, a description 

 of the same is here appended. 



Size large; form elongate; surface of the thoracic segments sparsely 

 spinous. Head with the pair of occipital spines very prominent, the 

 left considerably smaller than the right; eyes globose; antennee equal 

 to the head and thorax in length, basal joint of comparatively small size. 

 Pronotum shghtly longer than broad, in general shape similar to the 

 male, the anterior pair of spines reduced in size and hardly larger than 

 a posterior pair. Mesonotum about four times the length of the pro- 

 notum, rather narrow anteriorly, very gradually expanding posteriorly; 

 spines disposed as in the male, but much less salient ; mesosternum with 

 an armature of obsolete spines disposed as in the male. Metanotum 

 shghtly more than half the length of the mesonotum. Tcgmina slightly 

 more than one-third the length of the mesonotum, ovate, coriaceous, 

 with the venation very distinct and irregularly disposed ; median pro- 



