14 



LazcUe B. Stnrdcvant 



Zschokke, Fr. 



1888. Recherches sur la structure anatomique et histologique 

 des cestodes. Mem. Inst. nat. Geneve, 17. 



EXPLANATION OF PLATES 



All figures outlined with camera lucida and all represent specimens of 



Hyinciiiilcpis diminuta. 



ABBREVIATIONS 



sucker 



testis 



transverse excretory canal 



transverse muscles 



uterus 



ventral excretory canal 



vas deferens 



vas efferens 



vagina 



seminal vesicle 



vitellarium 



Plate I 



Fig. 1. Scolex, neck, and first proglottides, showing the rostellum. X 61. 



Fig. 2. Scolex and neck of a fourt'h specimen of H. diminuta. X 61. 



Fig. 3. Proglottides showing four testes in one. Acid carmine. X 27. 



Fig. 4. Specimen showing but two testes in one proglottid and an un- 

 usual arrangement of three in another. Acid carmine. X 27. 



Fig. 5. Some proglottides at one-fifth the length of the strobila from 

 the scolex. They are greatly contracted in the longitudinal direction. 

 Acid carmine. X 27. 



Fig. 6. Longitudinal section of the long specimen at 20 cm. from the 

 scolex, stained with alcoholic borax carmine. X 61. 



Pu^TE II 



Fig. 7. Unusual arrangement of testes. Acid carmine. X 27. 



Fig. 8. A different arrangement of the four testes. X 27. 



Fig. 9. Some proglottides of the long specimen at 20 cm. from the sco- 

 lex, showing an irregular arrangement of the testes in one. Borax car- 

 mine. X 27. 



Fig. 10. Cross-section of the long specimen at 20 cm. from the scolex 

 stained with alcoholic borax carmine. X 61. 



Fig. 11. Scolex, neck, and first proglottides of third specimen. X 61. 



Fig. 12. Scolex of the same type as that of my long specimen, too deeply 

 stained to show the rostellum. Toto mount. X 61. 



148 



