GROWTH A N D LIFE HISTORIES 83 



Jensen, J. P. (1955). Biological observations on the isopod Sphaeroma 

 hookeri. Leach. Vidensk. Medd. fra Dansk naturh. Forcn. 



"7 : 3°5-339- 

 Kin'ne. O. (1954). Eidonomie, Anatomie nnd Lebenszyklus von 



Sphaeroma hookeri Leach (Isopoda). Kiel. MeeresforscJi. 10: 



100-120. 

 Lloyd, A. J., & Yonge, C. M. (1947)- The biology of Crangon 



vulgaris L. in the Bristol Channel and Severn Estuary. /. mar. 



Biol Ass. U.K. 26: 626-661. 

 Loxghurst. A. R. (1955). The reproduction and cvtologv of the 



Notostraca (Crustacea. Phvllopoda). Proc. zool. Soc. Loud. 125: 



671-680. 

 Lowndes, A. G. (1935). The sperms of freshwater ostracods. Proc. 



zool. Soc. Loud. 1935. i. 35-48- 

 Matthews, D. C. (1956). The origin of the spermatophoric mass of 



the sand crab Hippa pacifia. Quart. J. micr. Sci. 97 : 257-268. 

 Yonge, C. M. (1955). Egg attachment in Crangon vulgaris and other 



Caridea. Proc. row Soc. Edinb. B. 65: 369-400. 



