﻿PAPILLATE MONTIPOR^. Ill 



shown in Savigny's atlas. Here and there, where the surface is irregular, these papillae fuse to 

 form plates and ridges ; but wherever developed free they correspond with those figured. The 

 calicles, again, are distinct from these cylindrical papillae and have six septa. The tips of the 

 rising branches are free from papillae, and the developing calicles open on the smooth rounded 

 reticulum. In view of the enormous variations to be found in these corals, the points of 

 positive agreement between this specimen and Savigny's type are so great as to justify the 

 identification. 



a. Eed Sea. [Eegister No. 40. 5. 7. 23.] 



85. Montipora fragosa. 

 Montipora fragosa, Verrill, Trans. Conn. Acad., vol. i. pt. 2 (" 1867-71 ") p. 502. 



Description. — Corallum "subramose or lobate, forming irregular conglomerate masses 

 which have become elevated, and at the summit divide into small, unequal, somewhat 

 acute, very papillose branches, or into large, expanded, flat-topped lobes scarcely papillate 

 above." 



Calicles " distinct," scattered among the papillae ; small (0 • 5 mm.), inconspicuous, with 

 six distinct septa. 



Ccenenchyma papillate, papillae on branches and outer side of lobes very slender; 

 elongated as much as 2 • 8 mm. in length to • 5 mm. thick, unequal, roughly spinulose, and 

 directed obliquely upwards. On the summits of the lobes the papillae are appressed to the 

 surface and become indistinct. On the broad summits of the nearly flat lobes there are no 

 papillae. On the smaller lobes and on the depressed parts of the larger ones the surface 

 rises into small rounded lobules, or large rounded verrucae with an openly spinulose lacerate 

 surface. 



The colour of the unbleached coral is brownish yellow, in some parts pinkish. 



This Montipore, thus described by Verrill, is known only in one specimen, which is 

 apparently in the Yale College Museum. It is specially worthy of note as being the only 

 Montipore recorded, though with some hesitation, from the Gulf of California, "probably 

 from La Paz." The dimensions of the specimen are given as follows : height 3 to 4 inches, 

 breadth at top 4 inches, diameter of branches -25 to '75, of larger lobes 1'75, length of free 

 branches -50 to -80, length of longest papillae -10, diameter of papillte -01 to -02. 



In placing it here I am assuming that the papillae are true papillae and not tubercles 

 as those terms are here used. The recorded thickness makes this somewhat 'doubtful, and 

 perhaps the proper place for the type is near M. hispida. 



