The specific characters of the coral Stylaster roseus 



135 



species; this description was based on an examination of specimens in Dutch collec- 

 tions. In Houttuyn's (1772) account of the coral, the salient data are mentioned as 

 noted by Pallas; Houttuyn's work is here cited because it contains the first figure 

 of the species (1772, PI. 129, Fig. 4, copied in Fig. 2 of the present paper). This figure 



r\ 





Fig. 1. Stylaster roseus (Pallas) from Curasao, (a) gastrostyle, 



cyclosystem, 60 



250; (b) longitudinal section of a 



Fig 2. Copy of the figure of Madrepora rosea 



Pallas in houttuyn (1772, PI. 129, Fig. 4). 



Original size 



again appeared in a treatise by Muller (1775, PI. 23, Fig. 4), which practically is a 

 translation of Houttuyn's work with a few additional remarks. Esper (1794) gave 

 an elaborate description of the species, based on a specimen from a German collection, 

 his figures (1794, Madrep., PI. 36) represent a coral of a shape similar to that of 



