350 ILLINOIS BIOLOGICAL MONOGRAPHS [350 



EXPLANATION OF PLATE 



Fig. 187. — Ophiotaenia punica (Cholodkovski), proglottid, toto. After Cholod 

 kovski. 



Fig. 188. — Ophiotaenia punica (Cholodkovski), young proglottids, toto. After 

 Cholodkovski. 



Fig. 189. — Ophiotaenia lonnbergii (Fuhrmann), mature proglottid, toto. After 

 Fuhrmann. 



Fig. 190. — Crepidobothrium gerrardii (Baird), cirrus and vagina. After Mon- 

 ticelli. 



Fig. 191. — Ophiotaenia racemosa (Rud.), ripe proglottid, toto. After Schwarz. 



Fig. 192. — Ophiotaenia trimeresnri (Parona), proglottids, toto. After Parona. 



Fig. 193. — Ophiotaenia trimeresuri (Parona), proglottid, toto. After Parona. 



Fig. 194. — Ophiotaenia nattereri (Parona), egg showing hooklets on outermost 

 membrane. After Schwarz. 



Fig. 195. — Ophiotaenia nattereri (Parona), ripe proglottid. After Schwarz. 



Fig. 196. — Crepidobothrium gerrardii (Baird), young proglottids showing be- 

 ginnings of reproductive organs. After Smith. 



Fig. 197. — Ophiotaenia calmettei (Barrois), mature proglottid, toto. After 

 Marotel. 



Fig. 198. — Ophiotaenia calmettei (Barrois), nearly ripe proglottid, toto. After 

 Marotel. 



Fig. 199. — Ophiotaenia marenzelleri (Barrois), mature proglottid, toto. After 

 Schwarz. 



