BRITISH ZOOPHYTES. 175 



Tlie concliula has from 12 — 20 lobes, mostly bifid. 



In this and the other species of this genus the ten- 

 tacles are marginal, 12 in number, short, thick, and 

 tapering. 



2. S. UNDATA, Gosse. " The Wavod Muzzlof 

 Peachia undata (P. H. G.). 



Hab. : Guernsey, Herm. Length Ij in. 



Colour. Pale yellow, with red splashes. Disc 

 cream- white. Tentacles white, with seven waved brown 

 bands on the front of each. Conchula with 5 lobes. 



Tentacles generally '^ borne like a 12-rayed star.^' 

 They are very contractile. 



3. S. TRiPHTLLA, Gosse. "The Trefoil Muzzlet." 

 Peachia triphylla (P. H. G.). 



Hab. : Channel Islands. Length 3 in. 

 Colour. Pale red-brown, with splashes of darker 

 colour. Disc buff, radii marked with a brown spot on 

 each. Tentacles pellucid, with a double row of brown 

 arrow-heads, and a brown circle round the disc at the 

 base of the tentacles. 



" The conchula bears 3 ovate or leaf-like lobes." 



SUB-TAMILY VII. HaLCAMPID^. 



Adinince having only hvelve septa. Body vermicular, 

 with the posterior end rounded, and capable of being 

 distended into a vesicle. Mouth not furnished with a 

 conchula. 



Genus Halcampa, Oosse. (a\<;, the sea, Kd/jcvrj, a 

 maggot.) 



Tentacles twelve, retractile. Surface studded with 

 minute suckers. QSsophagal grooves indistinct or 

 wanting. 



1. H. CHRYSANTHELLUM. Peach. " The Sand Pintlet." 



