46 AMERICAN JOURNAL 



During the following week I collected only beach specimens, 

 usually so poor that I made no note of them, expecting better 

 either from dredging or lower tides. I found scarcely any with- 

 in the length of my twenty feet rope, the waves drifting the 

 sand too much for most living shells at that depth. The holes 

 in the sandstone furnished most of the twenty-one additional 

 species obtained during that time. 



Nearly two days were occupied in going to Monterey to en- 

 gage a better boat and two oarsmen, who rowed it round the 

 promontory with my coil of rope, etc. 



Aug. 20th. Dredged for four hours across mouth of bay, mak- 

 ing seven casts in twenty to twenty-five fathoms on a sandy and 

 shelly bottom. Added fifteen species, mostly alive or in good con- 

 dition, of which Dcntalium Indianorum and ThaJotia caffea have 

 never been found on shore, most of others rarely or imperfect. 



Aug. 21st. Carried the dredging out to thirty fathoms along 

 the outer limits of the bay, adding six species. Very few living 

 or dead found in the pure sand near middle of bay. 



Aug. 22(1. Off the mouth of Carmel creek I added two species, 

 two more on kelp, and a muddy bottom in thirty fathoms at south 

 end furnished six, of which Semele incongrua has not been found 

 on shore ; Janira dentata and Chione simillima (young, living), 

 only southwards, Cylichna cylindracea only northward. In the 

 north end of b;ty I found twenty-five more species at twenty to 

 thirty fathoms sand, Coecum crebricinctum and Fenella pupoidea 

 not found on beach. 



Monterey, Aug. 26th. Moved here to try collecting in a new 

 field. To-day examined the clay-stones washed ashore on roots 

 of kelp, finding nine species of boring or nestling bivalves, be- 

 sides a Crepidula. Many are found one within another, having 

 successively inhabited the burrow of the original excavator. 



Aug. 27th. Venturing out as far as was safe we cast in forty 

 fathoms, one and a quarter miles N. E. of Pt. Pinos, drawing up 

 the bag half full of mud with but three species, of which, however, 

 Yoldia amygdala ami Acila cnstrensis are not be found on shore. 

 In thirty fatlioms shelly sand obtained many fragments, but only 

 two additions, Leda coelata, a deep water species only, besides 

 twenty or more before obtained. A third cast, in twenty fathoms 

 muddy sand, gave eight additions, and I made two or three others 

 landwards to ten fathoms, the last furnishing the beautiful Gan- 

 cellaria Cooperi, of which I found only one more broken speci- 

 men at San Diego, though Dr. Canfield has since found one on 

 the beach at Monterey. 



Aug. 28th. Visited Cypress Point, south of Pt. Pinos, where I 

 found Arionta Calif or niensis, var. vincta and Lysinoe JJupetithou- 



