16 JMONOGRAPHIA 



Ped. Eurygaster, from the Simla Sinica, and other monkeys, 

 which he thus describes: " Totus pallidus, segmentis 

 abdominalibus hand bene terminatis, spiraculis segmenti 

 quarti et quinti prominentibus fuscus. Long. 8." 



2. PEDICULUS VESTIMENTI. (Body Louse.) 



Plate XXVI. Fig. 1. 



Dirty white, immaculate, elongate ovate ; head much 

 produced, thorax contracted in front ; abdomen with the 

 segments indistinctly indicated. 



Pediculus Vestimenti. Nitzsch. Ger. Mag. t. iii. p. 305. Burmeister, 

 Handbuch. d. Ent. i. pt. 1. p. 60. Burmeis. Gen. Insect. Ord. Rhyn. 

 No. 2. Ped. humanus, var. 2. Linn. Syst. Nat. ii. p. 1016. Fabr. 

 Syst. Ent. t. 4. p. 417. Fabr. Syst. Ant. 440. 75. i. Latr. Hist. Nat. 

 d. Crust, et d. Inst. t. 8. p. 94. Latr. Gen. Crust, et Inst. i. 168. 2. 

 Leach, Zool. Misc. iii. p. 66. 2. Edin. Ency. ix. p. 77. Samou. Ent. 

 Comp. p. 142. i. Pou humain de corps. De Geer. Mem. Inst. vii. 

 p. 67. pi. 1. fig. 7. Pou du corps. Lam. Animaux San Vert. 2nd edit, 

 t. 5. p. 50. i. Ped. humanus. Step. Cat. pt. ii. 329. i. 



Wholly of a dirty white, chagreened with a few long stiff 

 hairs scattered over the surface ; head much produced, 

 more elongate than the preceding species; occiput con- 

 tracted ; eyes large, prominent, black ; antennae long, 

 slender, the second joint the longest (a) ; thorax broad, 

 anterior part narrowed and rotundate, about the length of 

 the head ; abdomen very large, elongate, ovate, the margin 

 slightly lobate, and the sutures of the segments very in- 

 distinctly defined ; legs long, slender ; the posterior femur 

 enlarged, somewhat angular (b). Length $ l. 2 If. 



This species, commonly known as the Body Louse, is not 

 by any means of such frequent occurrence as the preceding 



