OBSERVATIONS ON LIVING SOLENOMYA. 28l 



will show interesting features and the embryology of this low 

 form will be of great importance. 



EXPLANATION OF FIGURES. 



Note. Only the largest specimens averaging 19 mm. were studied. The various 

 degrees of magnification of the figures here given may be understood in a general 

 way by realizing that the entire length of the animal was 19 mm. 



BIBLIOGRAPHY. 



1. Brooks 



'74 On an Organ of Special Sense in the Lamellibranchiate Genus Yoldia. 

 Proc. Am. Asso. Adv. of Sci., 1874. 



2. Deshayes 



'44~'48 Histoire naturelle des Mollusques. (Exploration scientifique de 1'Al- 

 gerie.t Paris, 1844-1848. 



3. Drew 



'oo Locomotion in Solenomya and its Relatives. Anat. Anzeiger, XVII. band, 

 No. 15, 1900. 



4. Drew 



'01 Life History of Nucula delphinodonta. Quart. Journ. Micr. Sci., XLIV., 

 1901. 



5. Drew 



'99 Some Observations on the Habits, Anatomy and Embryology of Members 

 of the Protobranchia. Anat. Anzeiger, XV., 1899. 



6. Drew 



'99 Yoldia limatnla. Mem. Biol. Labor. Johns Hopkins, Univ., IV., 1899. 



7. Mitsukuri 



'81 On the Structure and Significance of Some Aberrant Forms of Lamelli- 

 brancheate Gills. Quart. Journ. Micr. Sci., XXL, 1881. 



8. Pelseneer 



'91 Contribution a 1'etude des Lamellibranches. Arch, de Biol., XL, 1891. 



9. Perkins 



'69 The Molluscan Fauna of New Haven. Proc. Soc. Nat. Hist., Vol. 13, 1869. 



10. Philippi 



Uber das thier von Solenomya Mediterranea. Arch. Naturg., Jg. I, Vol. I. 



11. Stempell 



'oo Zur Anatomic von Solenomya togata. Zool. Jahrb. (Anat. u. Ontog.)^ 

 XIII., 1900. 



