.][() Geoffrej' Smith, Note on a Gregarine. 



Literature. 



1. A. (liiard, La Castration parasitaire. in: Bull. Sc. Dép. Nord (2) 10. Annéc 



18S7 pag. 1. 



2. A. Giard, La Castration parasitaire. Nouvelles recherehes. ibid. (2) 11. Année 



1888 pag. 12. 



For Aggregatidae. 



'6. J. Freuzel, Über einige in Seethieren lebende Gregarinen. in: Aroh. Mikr. 

 Anat. 24. Bd. 1885 pag. 545. 



4. A. Labbé, Das Thierreich. Sporozoa. Berlin 1899. 



5. L. Leger, Sur une nouvelle Grégarine. in: CR. Acad. Sc. Paris Tome i;i2 



19Ü1 pag. 1343. 



6. L. Légor & 0. Duboscq, Aggregata vagans. in: Arch. Z. Expér. (4) Tome 1 



1903 Notes pag. 147. 



Explanation of Piate 26. 



Fig. 1. Mid-gut of Inaclms dorsettensis with cysts of Aggregata inachi. X 40. 



Fig.. 2. Male of /. dorsettensis. Ventral view. Nat. size. 



Fig. 3. Female of I. dorsettensis. Dorsal view. Nat. size. 



Figs. 4and5. Infected males of 7. dorsettensis, showing parasitic castration. 



Nat. size. 

 Fig. 6. Abdomen of infected male. X 4. 

 Fig. T. Abdomen of normal male. X 4. 



Figs. 8, 9, 10, 11, 12. Stages in development of Aggregata, inachi. X 350. 

 Fig. 13. Sporozoites of A. inachi. 13a sporozoites in cyst. 13b free sporo- 



zoites. 13 c associated sporozoites. X 1300. 



