EXPLANATION OF PLATE IIL 



Fig. 



1. SalpingcecA or Monosiga sp., vol. i. p. 345.— Figured in Mr. Carter's MS. note- 



book without description, Bombay, Aug. 1855. 



2. SALPINGCECA or MONOSIGA sp., vol. ii. p. 703.— Figured by R. Greeff C Wiegmann's 



Archiv,' Heft vi., 1870) as minute Flagellata attached to pedicle oi Epistylis 

 flavicans. 

 3-7. CODOSIGA CYMOSA, S. K., vol. i. p. 337-— 3 and 4, Fully developed colony-stocks, 

 or " zoodendria," x 1250 ; $, branchlet with three zooids, the one at a being 

 of abnormal size ; 6, branchlet with two zooids, the one at a having encysted 

 and separated by segmentation into two equal halves ; 7, apparent abnormal 

 colonial growth of the same species ? 



8, 9. CODOSIGA CANDELABRUM, S. K., vol. i. p. 339, X 80O. 



10-12. SALPINGCECA MINUTA, S. K., vol. i. p. 347. — lo. Two adult zooids and a single 

 undeveloped germ {a) attached to an empty lorica of Dinobryon sertularia, 

 X 1000; 1 1, a single zooid further enlarged ; 12, a zooid with collar withdrawn 

 presenting a semi-amoeboid condition. 



13-15. SALPINGCECA MARINA, J.-Clk., vol. i. p. 352. — 13, Early and naked condition ; 14 

 and 15, adult zooids with loricae developed, x 1800. 



16. SALPINGCECA PYXIDIUM, S. K., vol. i. p. 347, X lOOO. 



17-21. SALPINGCECA AMPULLA, S. K., vol. i. p. 349. — 1 7, Adult zooid with fully developed 

 lorica, X 1250; 18, empty lorica; 19, zooid with lorica imperfectly developed 

 and as yet mucilaginous in consistence, at « a monoflagellate coUarless germ 

 attached to the exterior of the lorica ; 20, a germ which has become attached 

 and commenced to develop its collar and protective lorica; 21, a more 

 advanced growth of the same zooid. 



22-24. Vol. ii. p. 703. Minute flagellate and apparently collar-bearing loricate monads 

 {Salpingoecd), attached to pedicle of Epistylis flavicans, as delineated by 

 Greeff, x 300. 



25. Lagenceca cuspidata, S. K., vol. i. p. 360, X 1500. 



26. SALPINGCECA PETIOLATA, S. K., vol. i. p. 349, X I250. 



27, 28. POLYOECA DiCHOTOMA, S. K., vol. i. p. 360. — Two social colony-Stocks or 

 polythecia, x 1000. 



