NO. 2 HARTMAN : POLYCHAETOUS ANNELIDS 253 



Nereis latescens Chamberlin 



Chamberlfn, 1919, pp. 10-11. 



This is found at Perch Rock Point, in holdfasts of Phyllospadix, and 

 in Tomales Bay, among algae, also at Tomales Point, ocean side. It is 

 one of the smallest nereids in intertidal zones. It is usually associated 

 with algal clumps. The anterior end is marked with characteristic dark 

 patches and bars. Length is 25 to 40 mm. 



Nereis neonigripes Hartman 



Hartman, 1936, pp. 471-472, f^g. 48. 



An epitokous individual comes from Second Sled Road, another 

 atokous one from Tomales Point, ocean side. Length is 50 to 80 mm. This 

 may be only a subspecies or variety of A^. pelagica Linnaeus. 



Family GlyceHdae 



Key to Species 



1. Parapodia provided with only composite setae 



Hemipodus borealis 



1. Parapodia provided with simple setae above and composite setae 

 below Glycera 2 



2. Without branchiae G. tenuis 



2. With branchiae 3 



3. With blisterlike, nonretractile branchiae on dorsal side of para- 

 podia G. robusta 



3. With retractile branchiae, from posterior face of parapodia, con- 

 sist of palmately lobed structures G. ainericana 



Hemipodus borealis Johnson 



Johnson, 1901, pp. 411-412, pi. 10. 



This occurs in muddy sand and sand mixed with gravel, in Tomales 

 Bay, at Second Sled Road, and near the mouth of Stempell Creek. It is 

 pale red in life. It is one of the smallest of the glycerids, length is 40 to 

 55 mm. 



Glycera robusta Ehlers 



Ehlers, 1868, pp. 656-658, pi. 24, figs. 31, 32. 



In Tomales Bay and Bodega Lagoon, it is found in sand flats. Length 

 is 150 to 300 mm. 



