NO. 3 hartman: polychaetous annelids 217 



Leptonereis glauca Claparede, moniloceras, new subspecies 



Plate 34, Figs. 42-46 



Nereis (Leptonereis) glauca Claparede, 1870, pp. 454-455, pi. 7, fig. 3. 



Collections.— 9(}0-?,^ (Holotype), 728-37. 4 specimens. 



Length of epitokous female is 16 mm; number of setigerous segments 

 62, including 22 anterior segments with normal setae, 23 median seg- 

 ments with natatoiy setae, and 17 posterior segments with normal setae. 

 Prostomial antennae and peristomial cirri are annulated distally (pi. 34, 

 fig. 43). The latter consist of a basal ceratophore and about 6 articles, 

 these of approximately equal lengths in the anterior ventralmost cirrus, 

 but in the others the basal articles are greatly elongated. The proboscis 

 lacks paragnaths. Jaws are pale yellow, translucent, with 4 or 5 short, 

 oblique teeth. 



Parapodia are long, directed laterally; the dorsal cirri extend distally 

 to the ends of the parapodial lobes in anterior parapodia (pi. 34, fig. 45), 

 but they are surpassed in epitokous parapodia by the dorsal lobe (pi. 34, 

 fig. 46); posteriorly they are proportionately longer (pi. 34, fig. 42). 

 The ventral cirri are shorter and do not reach to the tip of the ventral 

 lobes. 



Parapodia are provided with spinigerous setae in notopodia and neu- 

 ropodia, and heterogomph falcigerous setae (pi. 34, fig. 44) in neuropodia. 

 Acicula are pale yellow. The dorsum is ornamented with a pigmented 

 pattern across the anterior half of the prostomium, and broken transverse 

 lines across the middle of the segments (pi. 34, fig. 43). Parapodial lobes 

 in middle and posterior regions have dark, glandular patches (pi. 34, figs. 

 46, 42), most conspicuous in the posterior half of the body. 



Leptonereis glauca moniloceras differs from the type in that the peri- 

 stomial cirri are notably longer, and annulated ; natatory setae in the fe- 

 male are first present from the twenty-second segment instead of the six- 

 teenth; the pigmentation of posterior parapodia is more extensive and 

 pronounced. 



Holotype. — AHF no. 23. 



Distribution. — Off Catalina Island, California, in brachiopod colony, 

 in 40 fms; San Esteban Island, Gulf of California. Shore. 



Genus GERATONEREIS Kinberg 



Proboscis with conical paragnaths on the oral ring, but without parag- 

 naths on the maxillary ring. Notopodia provided with spinigerous setae, 

 or also falcigerous setae (pi. 36, fig. 56). Neuropodia with spinigerous 

 and heterogomph falcigerous setae. 



