126 



CEYLON PEARL OYSTER REPORT. 



EXPLANATION OF PLATES. 



PLATE I. 



Fig. 1. Campanularia juncea, showing male gonotheese. 



1a. female gonotheese. 



,, 1b. ,, operculum and zooid. 



2. Campanularia corrugata, n. sp. 



,, 3. Clavactinia gallensis, n. sp. 



,, 4. Corydendrium chevalense, n. sp. 



5. Eudendrium pusillum, v. Lendenfkld. 



6. Podocoryne denhami, n. sp. 



PLATE II. 



Fig. 1. Sertularia ligulata, n. sp. Nat. size. 



1a. portion enlarged. 



1b. ,, gonotheca. 



2. Sertularia fissa, n. sp. Nat. size. 

 2A. ,, front of hydrotheca. 



WD. j; )) DllCK }, 



2c. ,, ,, gonotheca. 



2d. ,, ,, showing modes of branching. 



-E. ,, ,, ,, ,) 



2f. 



3. Sertularia gracilis, Hass., showing attenuated form. 



4. Sertularia rugosissima, n. sp. 



5. Sertularia tenuis, Bale, showing abnormal mode of branching. 



6. Dvphasia mutulaia (Busk), male gonotheca. 

 6a. ,, smaller form. 

 6b. ,, ,, showing alternate hydrothecae. 



7. Desmoscypkus palkensis, n. sp. 

 7a. ,, hydrothecae. 

 7 b. ,, ,, gonotheca. 



PLATE III. 



Fig. 1. Lytocarpus (?) horndli, n. sp. Nat. size. 



1a. hydrothecse. 



1b. ,, series of nematophores. 



2. Lytocarpus plumosus, n. sp. Nat. size. 



2a. ,, hydrothecae. 



2b. ,, phylactocarps. 



,, 3. Lytocarpus fasciculal us, n. sp. Nat. size. 



,, 3a. ,, hydrothecae. 



,, 3b. ,, phylactocarps. 



,, 4. C'Pytia geniculata, n. sp. 



4a. ,, ,, gonotheca. 



5. Thuiaria palans, n. sp. 



5a. ,, ,, hydrothecae. 



