126 CALIFORNIA ACADEMY OK SCIENCES. 



xw;, xvi and xvii. Spenn-sacs in xi and xii. Spermducts of even roidth. A^ephidia 

 in J distinct rous on either nide. SpermntJieca basal dicision (/lobular, equal in size and 

 shape to the apical part, single small diverticulum. A typhlosole. Color reddish Jiesh. 

 Habitat, Baja California, Cape Region, 1000 feel; Tepic, Mexico, 4000 feet. 



Benhamia papillata ii. sp. 



Definition. Size 50 to 70 mm. bij 2 nim. Number of somites 125. First 

 dorsal pore v/vi. Prostomium divides somite 1 more than one-half, and is much swollen. 

 Clitellum. complete, xiii-xx. No ventral setce in xviii, but sette S and 4 present. Prostate 

 pores on large papilke, the four papilUe being close together in the sunk clitellar pit. 

 Oviducal pores on a large median papilla, but the pores are separate and on a line drawn 

 between the set(p. Penial setre, largest slighthj hooked with H indistinct notches, smallest 

 loith a hair-like sigmoid tip. Spermnthecce, the apical-sac not globular, basal part 

 ivith a swell diverticulum. Sacculated intestine commences in xiv. Typhlosole in xx-xiv. 

 Calciferous diverticula S pairs in xvi, xvii, xviii; the anterior one is much smaller. 

 Sperm-sacs in x avd .ri. Nepridia a co7isists of three distinct lobes, each one icith a 

 ccelomic mantle. Color pale flesh, no pigment. Habitat, Tepic, Mexico, 4000 feet. 



Benhamia octonephra Rosa. 



Definition. Compiled after Rosa. Length 20 to 4" mm.; number of somites 

 85 to 95. First dorsal pore between v and vi. Clitellum incomplete, in xiii to xx. Pe- 

 nial setm, the larger loith six groups of two blunt tubercles; the smaller seta like a scalpel. 

 Common setre, couples equidistant. Oviducts open into a single median pore on a slight 

 swelling. Calciferous diverticula three pairs in xv, xvi and xvii. Sperm-sacs in xi and 

 xii. Nephridia micronephric in four rou-^ on either side. Spermatheca, basal part 

 pear-haped ivith a globular diverticulum. Habitat, Paraguay. 



Benhamia rugosa n. sp. 



Definition. Length SO mm.; number of somites 118. Skin slightly pigmented 

 ami corruqated. Clitellum incomplete, in xiii to xx. Penial setce, largest with five 

 notches; smaller seta forked with prongs of equal size. Common setce pointed and ven- 

 tral. Oviducts open jointly in a median pore. Gizzard in vii and viii. Calciferous di- 

 verticula in XV, xvi and xvii. Nephridia micronephric in four rows on either side. 

 Typhlosole present. Spermatheca much flattened. Color reddish flesh. Habitat, Cal- 

 ifornia, in hothouse {imported). 



Benhamia Godeffroyi Michaolsen. 



Definition. Li'itgth no mm. by 4 mm.; number of somites 174. Skin pig- 

 mented anteriorly. Clitellum incomplete fxiiij xiv to xx. Penial set <k slender with nu- 

 merous irregular notches; many seUe in each sac. The curved fossa between the pros- 

 tate pores roith the convex side toivard the median line. The anterior prostate largest. 

 Calciferous diverticula three pairs. Nephridia plectonephric. Spermatheca without diver- 

 ticulum, but with warty protuberance. Color, anterior pale reddish, posterior part gray. 

 Habitat, flayti (?). 



