041) 



Plate XII, Figs. 140-152.— Dref-anidolaenia sinuosa, Drepani- 

 dotaenia setigera, and Taenia Kiabbei Kowalewski nee 

 Moniez. 



[Fig-s. 140-146. Drepanidotaenia sinuota.] 



Figs. 140-142. Three successive stages in the development of the 



cysticeroid in Gummarus pulex. Zeiss 1, A. After 



Hamann, 1889, Taf. I, figs. 4, 5, 6. 

 Fig. 143. Median longitudinal section through fig. 140. Zeiss 4, 



A. After Hamann, 1889, Taf. I, fig. 7. 

 Fig. 144. Median longitudinal section through a stage nearly 



corresponding to fig. 142. Zeiss 4, 4. After Hamann, 



1889, Taf. I. fig. 8. 

 Fig. 145. Fully developed cysticercoid, surrounded by its tail, 



s, and a cyst h. Zeiss 3, A. After Hamann, 1889, 



I, fig. 1. 

 Fig. 146. The same without surrounding cyst. Zeiss 3, A. 



After Hamann. 1889, Taf. I, fig. 3. 



[Figs. 147-150. Drepanidotaenia setigera.] 



Fig. 147. Scolex with 6 of the 10 hooks. x240. After Krabbe, 



1869, Tab. VI, fig. 117. Host: Domesticated goose. 

 Fig. 148. Isolated hook of same. x920. After Krabbe, 1869, 



Tab. VI, fig. 118. 

 Fig. 149. Isolated hook from Rudolphi's 1819, p. 700B, "Taenia 



Tab. VI, fig. 120. 



sinuosa"=DTep. setigera. x920- After Krabbe. 1869, 

 Fig. 150. Cirrus. x240. After Krabbe, 1869, Tab. VI. fig. 119. 



[Figs. 151-152. Taenia Krabbei Kowalewski nee Moniez.] 



Fig. 151. Two isolated hooks of a tapeworm, which Krabbe 



(1869, p. 290) found in a goose and determined as "T. 



setigera?;" this form has since been described as T. 



Krabbei by Kowalewski, 1895. x920. After Krabbe, 



1869, Tab. VI, fig. 121. 

 Fig. 152. Two isolated hooks from T. Krabbei Kowalewski, 1895 



[nee Moniez, 1879.] xlOOO. After Kowalewski, 1895, 



Tab. VIII, fig. 27. 



Plate XIII, Figs 153-164. — Drepanidotaenia sinuosa and Drep- 

 anidotaenia setigera. 



Fig. 153. Drepanidotaenia sinuosa. Cysticercoid with anterior 

 portion of tail; a, b, c, d, layers of the cuticle. 

 Glycerine prei aration. Zeiss I, D. After Hamann. 

 1889, Taf. 1, tig. 2. Host: Gammarus ^^u\ex. 



