THE ALTATOMT, HABITS, AND EMBSYOLOGT OP YOLDIA LIMATULA, SAY. 



Along tiie coast of Maine, wliere Yoldia limatiila is very 

 abundant, and gro'ws to be especially large, specimens are widely 

 distributed. Tlieir principal habitat, liOTTevor, is in tlie shallow 

 coves and inlets, wliere the tidal currents sweep by without enter- 

 ing. ^^ 



^— Here, soft rmid has accumulated, and is constantly being 

 added to, by the decay of plants and animals swept in from the 

 surrounding sea and land. They are most abundant in water from 

 one to five fathoms deep, and probably never occur above low tijle 

 mark. 



During the two seasons of my stay at Casco Bay Maine, 

 Prof. C. B. Wilson generously allowed me the free use of his equip- 

 ment, which was of great value to me. Previous to this, speci- 

 mens from Woods Holl, Mass., were furnished me through the kind- 

 ness of Dr. W. K, Brooks, Mr. Richard Rathbum and Dr. James L. 

 Kelloga Most of these specimens were collected by Mr. Vinal 



Edwards. 



(11) 

 1^ own work, like the work of Drs. Mitsukuri and 



Kellog^'^) upon this animal, has been carried on under the direc- 

 tion of Dr. Brooks who has for many years manifested a great in- 



