(Icnily liiidiiij^- luorc lliaii out' species, lie luis kiiull.v 

 placed the I'ollowiiij;- alisliail nt' Wis work upon one 

 of these forms at my flisposal, prior lo the iiublicatioii 

 of his article. 



Head round-conical, somowhat four-angiod. broader than 

 long (O.OftSmm to O.lSemm long; 0.11mm to 0.192mm broad). Aceta- 

 bula round to elliptical, 0.06mm in diameter, directed slightly 

 , forward. Neck distinct, terete, 0.5cm long. Proglottides trape- 

 zoidal, broader than long. Genital apertures marginal, always 

 on the right-hand side of the segment, slightly in front o£ the 

 middle. The male organs comprise a testis; vesicula semina- 

 lis, cirrus sac and cirrus, vesicula and cirrus being the most 

 prominent origans of the whole segment. Cirrus very short, 

 roughened with minute prickles about perpendicular to its sur- 

 face. Female organs consist of a narrow vagina, large recep- 

 taculm seminis, and a common ovary and uterus (See von Lin- 

 stow, 1893). Vagina and cirrus sac are in the .'jame trans- 

 verse plane and pass dorsal to both longitudinal canals. 

 Length 35mm; breadth 0.046mm to 0.47mm; thickness 0.046mm to 

 0.113mm. Number of segments about 600, becoming as mudi as 

 0.39mm long. Egg about 0.026mm In diameter; embryos ellip- 

 soidal, 0.016mm in diameter; embryo ellipsoidal, O.016mm by 

 0.0225mm; liooks about O.OOSmm long. 



Hab: In small intestine of comimon fowl, shortly back of 

 sizzard. 



Mr. Conard looks upon this form as a species of 

 Davainea "with unilateral pores," although lie lia.** 

 not as yet found any hooks ui)oii ilie hcail. Fiiui! de 

 cision reo-ardinf;; the form must be reserved unlil ilie 

 appearance of Mr. Conard's paper. 



FIMBRIARIA Frollch, 1S02. 



1892, Epision Linton.) 



[PI. XXI. fig. 271.-) 



This iienus was proposed first by Frolich, and later 

 by Linton, for tapeworm with an anterior hammer-like 

 extremity. The scol(>x is generally (? always! wantiii«i-. 

 Three species F. malleus (Coeze. 1T8L') Frolich. F. mi 



