GLOSSARY. 



45 



Scopiferous. Furnished with one or more 



dense brushes of hair. 

 Scopifonn. Having the form of a hroom 



or besom. 

 Scoria. Dross ; the recrement or matter 



thrown off from metals in fusion. 

 Scoriaceous. Partaking of the nature of 



scoria. 

 Scoriform. In the form of dross ; like 



scoria. 



Scraggy, Lean, with roughness ; rough 

 with irregular points, or an uneven 

 surface. 



Scrobiculate. Having the surface filled 



with small hollows or cavities ; pitted 



Scrotum. The integument which con 



tains the male organs of generation. 

 Scutibranchiata. The order of Gastero- 

 podous Mollusca in which the gills are 

 protected by a shield-shaped shell. 

 Scutiform. Having the form of a shield 



or buckler. 

 Scurf. A dry scab or crust formed on 



the skin of an animal. 

 Scutate. Covered or protected by large, 



flat scales. 



Scutelliform. Shield-shaped. 

 Scutellum. The third section of the 

 upper surface of each segment in in- 

 sects. 



Scutum. The second section of the up- 

 per surface of each segment in insects. 

 Sea-green. The color of sea- water. 

 Sealing. The operation of taking seals 



and curing their skins. 

 Seam (of a shell). The line formed by 



the union of the valves. 

 Sea-serpent. A huge marine animal like 

 a serpent in form, and by some sup- 

 posed to inhabit the sea. 

 Sebaceous. Consisting of or pertaining to 

 fat ; as, the sebaceous humor, a suet- like 

 matter secreted by the sebaceous glands, 

 which are small glands seated in the 

 cellular membrane under the skin. 

 Secondaries, or Secondary Quills. Those 

 quills which rise from the second bone 

 of the wings. The posterior wings of 

 an insect are denominated secondary if 

 the superior wings, when at rest, are 

 not placed upon them. 

 Secretitious. Separated by animal secre- 

 tion. 

 Secretory. Performing the office of se- 



cretion ; as secretory vessels. The or- 

 gans of secretion are of various form 

 and structure, but the most general are 

 those called glands. Mucus, perspir- 

 able matter, &c. are properly secretions. 



Securiform. When the last joint of the 

 feelers (palpi) is triangular, and the 

 preceding joint is connected with the 

 vortex of the triangle. 



Sedentary. Accustomed to sit much. 



Segmentation. The act of dividing into 

 segments. 



Segments. The parts into which the body 

 of an insect is divided, and which are 

 thirteen. The great inosculating joints 

 of the body. 



Segregated. Set apart, separated from 

 others. 



Seminal. Pertaining to seed, or to the 

 elements of production. 



Semipalmate ; Semipalmated. A" term de- 

 noting that the toes are connected by a 

 web extending only half their length. 



Semirecondite. When the head of an in- 

 sect is half covered by the shield of the 

 thorax. 



Senile. Pertaining to old age. 



Senocular. Having six eyes. 



ion. The perception of external 

 objects by means of the senses. 



Sensibility. The capacity of feeling or 

 perceiving the impressions of external 

 objects. 



Sentient. Having the faculty of percep- 

 tion. 



Septic. Proceeding from, or generated 

 by, putrefaction. 



Septiform (Canthus). When the canthns 

 forms an elevated ridge or septum. 



Serial. Pertaining to, or arranged ac- 

 cording to, a series. 



Sericeous. Silky ; having a soft, smooth 

 u*rface, resembling silk. 



Sericteria, The glands which secrete the 

 silk in the silkworm. 



Series. An order or subdivison of some 



class of natural bodies. 

 Serpentine. Winding; spiral; like a 

 serpent; running in a serpentine di- 

 rection. 

 Serrate; Serrated. Toothed or notched 



with points like a saw. 

 Serrature. An indenture in the edge of 

 any thing, like those of a saw. 



