143 Muricidea incisa Brod 



Rare, occasionally found near low-water mark. 



144 Pteronotus festivus Hinds 



Abundant at False bay, La Playa, and Todos Santos bay, 

 among small, angular boulders. 



145 Ocinebra subangiilata Stearns 



A live individual washed ashore on a piece of kelp, found on 

 the ocean side of the San Diego peninsula, is now in the collection, 

 of the Phil. Acad. Sci. 



Synonym of Muricidea subangulata. 



146 Ocinebra interfossa Cpr. 



Under rocks partially imbedded in shell sand, rocky beaches, 

 at San Diego. Santa Barbara (Yates). Vancouver Isl. 



147 Ocinebra gracillima Stearns 



"Shell small, solid, fusiform, slender; spire subacute; whorls 

 6-7; body whorl about two-thirds the whole length. Upper part 

 of whorls subangulate, aperture about as long as the spire. Outer 

 lip thickened internally; white, with 4 prominent denticles. Col- 

 umellar lip excavated, callous, with a purplish stain showing 

 through the enamel. Canal moderate, closed. Surface smooth, 

 with numerous fine whitish revolving costae, dotted with brown, 

 the interspaces near the outer lip with brown linear markings. 

 Upper whorls longitudinally nodosely ribbed. General color oliv- 

 aceous, with patches of yellow. Lon. .5; Lat. .25 in. Habitat — 

 San Diego, California, 10 fms.: Hemphill." — Robert E. C. Stearns, 

 Conchological memoranda, No. 6 (May 18, 1871); "Am J Conch 

 7:- — (1871) with f." 



Under stones, San Diego. 



"A few at Point Fermin," near San Pedro, California, fide 

 Mrs. Williamson (U S Nat. mus pr 15:215). 



148 Ocinebra interlirata Stearns 

 San Diego. Rare. 



149 Ocinebra poulsonii Nutt 



Equally abundant and in similar situations with Pteronotus 

 festivus, Hds. Also at Todos Santos bay. Santa Barbara. Cerros 

 Isl. 



150 Purpura saxicola Val 



Abundant on a rocky beach just south of the boundary line, 

 but not noticed on other ocean beaches either at San Diego or All 

 Saints bay. Monterey. 



151 Monoceros lugubre Sby 



Abundant at Todos Santos bay and north to near the United 

 States line. Light-colored individuals were found of a shade of 

 yellow ochre, merging to white. 



152 Monoceros engonatnm Conr 



Abundant on exposed shingle beaches, Balenas bay to Todos 

 Santos bay. 



153 Monoceros pauciliratum Stearns 



"Shell moderately elevated, whorls 4-6; bodv whorl four-fifths 

 the total length; angulated above and excavated between the angle 

 and the suture; a sharp groove behind the tooth. Upper whorls 



