( 322 ) 



(i. Ceratopsylla martialis spec. nov. (PI. X. fig. 17 — 20). 



Head. — Both flaps of the head are long, the first being ronnded at the end, the 

 second aonminate. A regular series of hairs extends from the base of the first flap 

 to the insertion of the antenna, the hairs composing it being rather stout. The 

 posterior part of the head in the J is longer than in the ?. There is a regular 

 series of short, but stout hairs placed along the antenna! groove. The hinder part 

 of the head bears, besides, four or five transverse series of bristles, of which the 

 lateral ones are somewhat long. Ventrally at the hinder edge of the posterior 

 portion of the head there is a series of from five to seven bristles, which stand close 

 together, are spinelike, and gradually decrease in length, the uppermost being the 

 longest (fig. 17). 



Thorax. — The pronotal comb consists of twenty-two teeth. All three thoracic 

 segments are densely clothed with hairs on the back. The pronotnm is longer than 

 it is posteriorly broad, and the metanotum is twice as long as it is posteriorly broad 

 (when viewed in optical section). The metanotum bears three teeth on each side at 

 the ajiical edge. The mesonotum has the two usual pointed teeth at the side, and 

 a third close to the ventral edge. Tlie epimerum of the metathorax bears fifteen 

 bristles, of which two stand near the hinder edge. 



Abdomen. — The basal edges of the abdominal tergites are incrassate. The first 

 and second tergites bear an apical tooth on each side. The first tergite, moreover, 

 bears three, and the second two rows of hairs besides the ordinary row of long 

 bristles. There are also a few additional hairs on the back. 



The third, fourth, fifth, sixth and seventh abdominal sternites bear iu the cJ 

 two or three, in the ? four, bristles on each side. 



Legs. — The first segment of the foretarsus is one-third shorter than the second 

 segment. 



The first segment of the midtarsus is one-fifth longer than the second. 



Along the ventral side of the hindfemur there are from base to apex about 

 twelve bristles. On the outer side of the hindtibia there are three rows of hairs, of 

 which only the posterior one is regular ; on the liinder edge of the tibia there are, 

 besides numerous short bristles, a subbasal pair, a single median one, a shorter 

 snbapical one, and an apical pair of prolonged setae. The first segment of the hind- 

 tarsus is half as long again as the second. The fourth segment of the hindtarsus 

 is elongate, while the third segment is half the length of the first. The hairs of 

 the tarsi are short and numerous, the first hindtarsal segment bearing laterally a 

 series of ten pairs. 



Modified Segments. — The sternite of the eighth abdominal segment of the male 

 is prohmged, and bears at its apical edge a row of six bristles (fig. 18). The process 

 of the clasper ("fig. 19, P) is large, truncate, with the upper inner angle rounded ; 

 it bears at the upper outer angle two bristles. The movable finger (fig. 19, F) is 

 gradually widened at the apex, being somewhat club-shaped. It has at the anal 

 edge four bristles, namely, a long one at the upper angle, and three thinner ones 

 farther down. There are, besides, five short hairs near the upper angles. 



The eighth abdominal tergite of the female (fig. 20) bears near the apical 

 edge a series of five short and stout spines placed close together, and a number 

 of longer bristles, as shown in the figure. These bristles are placed as follows : 

 two between the stigma and the series of five spines, and six arranged in two 

 gronps of three at the apical edge. There are also six or seven more bristles 



