﻿ILLUSTRATIONS 



Plate I. Lemnaiioides kiikenthali gen. et sp. nov. The colony, natural size. 

 (Photograph by Cortes) 



TEXT FIGURES 

 (From camera Iucida outlines) 



Fig. 1. Spicules from the polyp and tentacles of L. kiikenthali; a, a polyp 

 spindle showing the axis to be seen in cleared specimens; b, a 

 spindle from the distal end of one of the double rows, showing 

 the axis and the divided and sculptured distal end; c, tentacle 

 spicules. X 112.5. 



2. Spindles from the stem cortex of L. kiikenthali; a, from the upper 



stem; b, from the mid stem, x 112.5. 



3. Spicules from the cortex of the lower part of the stem of L. kiiken- 



thali. X 112.5. 



4. The ends of two spicules from the canal walls of L. kiikenthali, 



near the base of the colony. X 230. 



5. Two spicules from the cortex of the extreme base of L. kiikenthali. 



X 112.5. 



6. Two tentacles from a cleared specimen of L. kiikenthali, showing the 



median muscle bands, the double rows of pinnules, and the double 

 rows of polyp spicules. X 48.5. 



7. Two spicules from the stomodajal walls of an undescribed species of 



Lemnalia. x 1,000. Actual lengths, 0.038 and 0.0532 mm., 

 respectively. 



8. A spicule from the stomodasal walls of Paralemnalia thrysoides 



(Ehrbg.) Kiikenthal. x 1,000. Actual length, 0.0513 mm. 



245 



