SEX AND BREEDING 5 I 



Arbacia punctulata 



Heilbrunn (1929) ; 4 $, i d"; 2 ?, 2 3', i <?. 



+ + 



Shapiro (1935 a); i ?, 4 c?- 

 E. B. Harvey (1939 a); 5 <|- 



(1946 unpub.); 3?' 2 o. 

 K. C. Fisher (1942, unpub.) ; 2 (J, 3 c?. 

 M. E. Cornman (1954, unpub.); 4$, i ^. 



Arbacia lixula (pustulosa) 

 J. Gray (1921); questionable. 

 Reverberi (1940) ; 4 ?, i 3*; 3 ?, 2 (?. 



(1947); 3$,. I 6, I ^; I?, 4(?; I ?, 4c?; I 9, I cj- 3 o- 

 Neefs (1953); ^. 



Dendraster excentricus 



Needham and A. R. Moore (1929) ; 2I $, 2i (?. 



Echinocardium cordatum 



Giard (1900); protandrous. 



H. B. Moore (1935 b); sex not stated. 



Echinus esculentus 



H. B. Moore (1932); 4$, \ ^. 



Paracentrotus lividus 



Fuchs (1914a); 3$, 2 ^. 

 Herlant (1918) ; 4 c^*, i cj. * 



J. Gray ( 1 92 1 ) ; same as Fuchs (1914a). 

 Drzewina and Bohn (1924) ; 4 ?. i c?- 

 Neefs (1937) ; c?. 



Psammechinus microtuberculatus 



Herbst (1925 unpub. See Tab. Biol. VI, p. 501, 507); 3 9, 2 o. 

 Reverberi (1947); i c?, 4 c?. 



Sphaer echinus granulans 



Viguier (1900); sex not stated. 

 Neefs (1952); 3. 



Strongylocentrotus drobachiensis 

 Gadd (1907); 4$, I cJ. 



