Sup 220 



Supraoesophageal ganglion. — A large nerve-centre 

 situated in front of the gullet, and known as 

 tlie " brain " ; it gives ofi nerves to the eyes 

 and the antennae. (Rabl-Ruckard). (L. swpro, 

 and Gr. oisophagos, the gullet.) See Cerebral 

 ganglion. 



Supra-spinal Cord. — A longitudinal cord of con- 

 nective tissue forming a yellowish-white band, 

 and which seems to be an outgrowth of the dorsal 

 portion of the neurilemma of the ventral cord. 



Supra-spinal vessel. — One of the jnilsating organs 

 lying as a ventral sinus upon the nervous cord, 

 and closed by a pulsating diaphragm. 



Suranal plate. — A triangular, often thick, solid 

 plate of the male genital armature, the remnant 

 of the tergum of the last, usually tenth, segment 

 of the abdomen. (Packard.) 



Sursum. — (Direction.) Upwards, (L.) 



Sutural. — Pertaining to the suture. (L. suo, to 

 sew.) 



Suture. — The dividing line or space. (L. sno.) 



Swimming fan. — A row of (generally twenty-five) 

 long feathered bristles situated on the venter 

 of the ninth segment of Corethra larvae. 

 (Theobald.) (A.S. swimman, and jann.) 



Syn. — A Greek prefix signifying with, or together. 



Syntype. — All the specimens, except the type, upon 

 which a species is based and described. (Gr. 

 syn, and typos, type.) 



