NOTES ON SOME PROBLEMS OF ADAPTATION. 1 05 



Butler, S. W. 



'91 Report on the Occupation of the Table [at the Zoological Station, Naples], 



Kept. Br. Assn. Adv. Sci., 1890 (Leeds), pp. 451-458. 

 Kafka, G. 



'14 Einfiihrung in die Tierpsychologie. Bd. I, xii + 593 PP-, Leipzig. 

 Polimanti, O. 



'12 Studi sulla contrazione del muscolo adduttore di Ostrea edulis L. e sul 

 movimento di alcuni lamellibranchi. Zool. Jahrb., Suppl. 15 (Festschr. 

 Spengel), Bd. 3, pp. 269-452, Taf. 11-17. 

 Nutting, C. C. 



'19 Barbados- Antiqua Expedition. Univ. Iowa Studies, Natural History, 



Vol. 8, No. 3, 274 pp. 

 Redfield, Elizabeth S. P. 



'17 The Rhythmic Contractions of the Mantle of Lamellibranchs. Jour. Exp. 



Zool., Vol. 22, pp. 231-239. 

 Vies, F. 



'06 Theorie de la locomotion du Pecten. Mem. Soc. Zool. Fr., Tom. 19, pp. 

 243-254. 



