CAMBALOID MILLIPEDS LOOMIS 51 



tioii. Last segment evenly rounded at apex and exceeded by the 

 anal valves. First pair of male legs reduced in size but otherwise 

 normal. Segment 7 of the males with the margin around the gono- 

 pods moderately elevated. 

 Only one species is known. 



CHOCTELLA CUMMINS! Chamberlin 



Choctella cumminsi Chamberlin, Psyche, vol. 25, p. 2:5, 191S. 



This species was described from a dozen specimens collected in the 

 Glendale Hills of Tennessee and has not since been reported. 



Average length, 50 mm; number of segments, 44 to 48; general 

 color black, the segments apparently v\"ith yellowish or reddish mark- 

 ings in front and along the posterior margins. Eyes with 30 to 40 

 ocelli in five or six series forming a triangular group. Antennae with 

 joints 2 and 3 subequal, longer than the others; joints 5 and 6 

 broadest. "Coleopods simple, thin plates, each of which is moderately 

 narrowed distad and narrowly rounded at the apex; below apical 

 portion the mesal border of each is bent subcaudad. Phallopods 

 exceeded by the coleopods. Each with distal division narrowly sub- 

 conical, distally curved mesad, the tip somewhat obliquely truncate." 



PHARODERE, new genus 



Type. — Pharodere radiata., new species, from southern California. 



Diagnosis. — This genus and Odaclmrus are the only eyeless mem- 

 bers of the family in this country that have well-defined dorsal 

 crests. Pharodere differs from Odachurus by lacking the flaring 

 anterior corners of segment 1 and the swollen dorsum near the back 

 margin, but there are prominent lateral striae on this segment; and 

 on the caudal segments neither the lateral carinae nor the dorsal 

 crests project as teeth beyond the back margin, and the crests are 

 higher and more abruptly raised than those of Odachurus. 



Descri'ption. — Body slender, about 20 times as long as broad ; seg- 

 ments as many as 64. 



Head without eyes. Antennae widelj' separated, inserted on the 

 dorsolateral surface, moderately clavate, the basal joints slender as 

 compared to the outer joints. Clypeus with three setae on each side. 

 Labrum tridentate, somewhat depressed below the clypeus, and with 

 a basal row of setae. Gnathochilarium as shown in figure 16, Oi. 

 Mandibulary stipes receding beneath the head, the lower half hol- 

 lowed to receive the antennae. 



First segment not quite so long as the next three segments together, 

 widest near the front corners which are broadly rounded, somewhat 

 produced forward, and w^ith the intervening front margin nearly 

 straight; lateral margin with a raised rim, rounded and very obli- 



