Subject ASC0000hzg
Hardwicke's science-gossip : an illustrated medium of interchange and gossip for students and lovers of nature.
v. 27 (1891), Page 80 (1891)
MBLWHOI Library
BHL Page 1797626
Keywords
Worm Allurus Square-tailed worm worm biology anterior dorsal segment segments pores gland gizzard worm segment anterior portion cross-section organs parasitic vorticella dorsal pores crop calciferous gland prostomium male pore Biology zoology allurus tetraedrus square-tailed work historical taxonomy anterior portion seen from above Animal drawing