14 



GLOSSARY. 



Crop. The first stomach of a fowl ; the 

 craw. 



Cruciate. Divided to the middle into 

 four opposite arms, the angles being 

 either four right ones, or two obtuse 

 and two acute. 



Cruciato-coinplicate. When the wings (of 

 an insect) are crossed and folded. 



Cruciato-incumbent. Wings crossed, but 

 not folded, and covering the back. 



Cruciform. Disposed in the form of a 

 cross. 



Crura. Processes resembling legs. 



Crural. Belonging to the leg. 



Crustaceans. Belonging to the class of 

 articulated animals termed Crustacea, 

 having a soft and jointed shell ; as 

 the crab, lobster, shrimp, &c. 



Crustaceology. That part of zoology 

 which treats of crustaceous animals, 

 arranging them in orders, tribes, and 

 families, and describing their forms 

 and habits. 



Cryptobranchiate. Pertaining to those 

 molluscous and articulate animals 

 which have no conspicuous gills. 



Crystalline. The white splendor of crys- 

 tal or glass. 



Cubical. Six-sided, with sides quadrate. 



Cuboid; Cuboidal. Having the form of 

 a cube, or differing but little from it. 



Cucullale. When the prothorax is ele- 

 vated into a kind of ventricose cowl or 

 hood which receives the head. 



Cucuwiform. Cucumber-shaped: whose 

 longitudinal section is oblong, and 

 transverse circular. 



Culiciform. In form resembling a flea. 



Culmen. That part of the upper man- 

 dil>le of a bird which runs along the 

 middle and often slopes on each side. 



Cultrate ; Cultrated. Straight on one side 

 and curved on the other. ' Sharp- 

 edged and pointed ; as, the beak of a 

 bird is convex and cultrated. 



Cultriform A three-sided body with two 

 equal sides large and the third small. 



Cuneate; Cuneated; Cuneiform. Shaped 

 like a wedge. Having the longitudinal 

 diameter exceeding the transverse, 

 and narrowing gradually downwards. 



Cupreous. Of the bright color of new 

 copper. 



Cursorial. Adapted for running. 



Cuspidate. Terminating in a long seti- 

 form point. 



Cutaneous. Existing on, or affecting, the 

 skin. 



Cuticle. A thin pellucid membrane cov- 

 ering the true skin. 



Cuticulnr. Pertaining to the cuticle, or 

 external coat of the skin. 



Cyclobranchiata. Those molluscous ani- 

 mals which have the gills disposed in 

 a circle. 



Cylindrical. A mathematical form, 

 which, like many others, is used by 

 conchologists with great latitude, and 

 applied to any shell the body of which 

 is somewhat straight, with the ends 

 either rounded, flat, or conical. 



Cylindriform. Having the form of a cyl- 

 inder. 



CynMform. Shaped like a boat. When 

 the margins of the thorax and elytra of 

 an insect are recurved so as to give 

 a body the resemblance of the inside 

 of a boat, they are said to be cyinbi- 

 form. 



Cyst. A bag or tunic which includes 

 morbid matter in animal bodies. 



D. 



Decapodous. Pertaining to those crusta- 

 ceous and molluscous animals which 

 have ten feet. 



Decaton. The tenth segment of in- 

 sects. 



Deciduous. Parts which are annually 

 shed, or do not last the lifetime of the 

 animal. A shell is described as de- 

 ciduous where there is a tendency in 

 the apex of the spire to fall off. 



Decollated. The term applied to uni- 

 valve shells in which the apex or head 

 is worn off in the progress of growth. 



Decorticated. Divested of the epidermis 

 or skin. 



Decussated. An epithet generally ap- 

 plied to strife, or lines which are 

 crossed, or which intersect each other 

 perpendicularly or horizontally. 



Dedentition. The shedding of teeth. 



Deflexed; Deflected. Bent down; bent 

 or turned aside. When the wings of 

 insects at rest, covering each other, are 

 so bent downwards as to imitate a 



