NO. 17 POLYCLAD WORMS HYMAN 9 



Hyman, L. H. 



1939a. Acoel and Polyclad Turbellaria from Bermuda and the Sargassum. 



In press. 

 1939b. Some Polyclads from the New England coast, especially from the 

 Woods Hole region. Biol. Bull., vol. 76, pp. 127-152. 

 Lang, A. 



1884. Die Polycladen (Seeplanarien) des Golfes von Neapel und der 

 angrenzenden Meeresabschnitte. Fauna und Flora des Golfes von 

 Neapel, Monog. 11. 

 Pearse, A. S. 



1938. Polyclads of the east coast of North America. Proc. U. S. Nat. 

 Mus., vol. 86, pp. 67-98. 

 Verrill, A. E. 



1901. Addition to the fauna of the Bermudas from the Yale Expedition 

 of 1901, with notes of other species. Trans. Connecticut Acad. 

 Sci., vol. 11, pp. 15-62. 



EXPLANATION OF NUMBERING OF TEXT-FIGURES 



1, cerebral eyes; 2, tentacular eyes; 3, cerebral granule mass; 4, uterus; 

 5, pharynx ; 6, seminal vesicle ; 7, prostate vesicle ; 8, stylet ; 9, male genital 

 pore; 10, female genital pore; 11, Lang's vesicle; 12, stalk of Lang's vesicle; 

 13, vagina; 14, entrance of uteri into vagina; 15, female antrum; 16, male 

 antrum; 17, ejaculatory duct; 18, extracapsular prostate glands; 19, vasa defer- 

 entia; 20, cement glands; 21, penis papilla; 22, muscular wall of male antrum; 

 23, penis pocket ; 24, penis sheath ; 25, cement pouch ; 26, accessory vesicles ; 

 27, everted male organ ; 28, sucker ; 29, marginal glands ; 30, sperm mass in 

 seminal vesicle; 31, opening of prostate glands into penis pocket. 



Whole mounts and figures of eyes drawn with the aid of the camera lucida ; 

 others free-hand. 



