134 BEITISH TUNICATA. 



4. [Styelopsis] glomerata (Alder). 

 (PL XLV, figs. 1 and (?) 2 ; PI. XLVI, fig. 5.) 



Cynthia ylomerata ALDER in Ann. Nat. Hist. (3) XI [1863], 

 p. 166. 



Body ovate or sub-globose, smooth, cherry-red, the 

 individuals crowded into closely-adherent clusters. 

 Apertures rather small, not far apart, very slightly 

 prominent, quadrate, but sometimes appearing as a 

 simple slit when closed. Test tough, rather shining, 

 smooth or sometimes very slightly wrinkled in old 

 individuals, closely adherent to the mantle. Mantle 

 bright crimson. Tentacular filaments slender. Bran- 

 chial sac red, with one large fold and a smaller one on 

 the left side, and two or three small ones on the right, 

 the largest folds being near the oral lamina, which is 

 smooth. Ovaries disposed in small crimson pellets 

 over the inside of the mantle. 



Height from a quarter to nearly half an inch. 



Hal>. Deep water (?). 



SCOTLAND. Wick, Caithness ; cast up after a storm 

 (Peach). 



First record. Alder, 1863. 



This interesting species differs from most of its con- 

 geners in the smoothness of its test, and in the little 

 prominence of its apertures, which are generally level 

 with the surface when closed. We are indebted to 

 Mr. Peach for the beautiful group from which the 

 description is taken (PI. XLV, fig. 1; PL XLVI, 

 fig. 5). It consists of a globular mass of individuals 

 of all ages and sizes, piled upon each other so as to 

 resemble a large fruit of the Riibus tribe. The ex- 

 traneous substance to Avhich they are attached is so 

 completely covered as not to be discernible, and the 

 individuals themselves adhere so closelv that at first 



t/ 



sight they appear to form one compound animal. That 

 this is not the case, however, may be seen by a more 

 minute inspection, when the lines of junction between 



