ILLUSTRATIONS 



Plate I 



(Photographs by Light) 



Fig. 1. Capnella philippinensis sp. nov. forma typica. % natural size. 



2. Capnella philippinensis forma typica. A rather divergent colony 



from Bantayan (p. 445). % natural size. 



3. Capnella philippinensis var. mindorensis var. nov. A colony killed 



after being anaesthetized. % natural size. 



4. Capnella philippinensis var. mindorensis. A contracted colony. 



% natural size. 

 Figs. 5 and 6. Capnella philippinensis var. albida var. nov. % natural size. 

 F^G. 7. Capnella philippinensis var. arborea var. nov. ^ natural size. 

 8. Capnella parva sp. nov. % natural size. 



Plate II 



(Photographs by Light) 



Fig. 1. Capnella, ramosa sp. nov. 9io natural size. 



2. Part of a branch of Capnella ramosa. % natural size. 



3. Section of the stem of Capnella ramosa, showing the arrangement 



of the canals and the irregular central axis. % natural size. 



4. Capnella philippinensis forma typica. A colony from the Pabellones 



Islands, Palawan, showing extreme shortening of the stem and 

 flattening of the polypary. % natural size. 



Plate III 



(Drawings by J. Santos from camera lucida outlines) 



Fig. la. A "capstan" spicule from the stem cortex of Capnella philippi- 

 nensis. X 250. 

 16. A small 4-rayed spicule from the inner stem cortex of Capnella 



philippinensis. X 75. 

 Ic, d, and e. Spicules from the canal walls and base of Capnella phil- 

 ippinensis. X 75. 

 1/, ^, and/(. Spicules from the distal portion of the polyp of Capnella 



philippineyisis. X 75. 

 2a and b. Spicules of the outer stem cortex of Capnella ramosa. X 75. 

 2c, d, and e. Spicules from the polyp armament of Capnella ramosa. 



X 75. 

 2/ and g. Spicules of the canal walls of Capnella ramosa. 

 3a, b, and c. Spicules of the polyp of Capnella parva. x 75. 

 3e. A spicule from the stem cortex of Capnella parva. x 75. 



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