USED IN ENTOMOLOGY. 23 



Catenulate: like catenate; but the links are smaller. 



Caterpillar: the term applied to the larvae of Lcpidoptera. 



Catervatum: by heaps. 



Cauda: the tail: any process resembling a tail: the pointed end of the ab- 

 domen in plant lice : any extension of the anal segment or appendage ter- 

 minating the abdomen. 



Caudad: toward the posterior end of the body, along the median line. 



Caudal: pertaining to the posterior or anal extremity. 



Caudal setee: long, thread-like processes at the end of the abdomen in many 

 Neuropterous and some other insects ; = anal filaments. 



Caudate: with tail-like extensions or processes. 



Caudo-cephalic: in a line from the head to the tail. 



Caudo-dorsad: directed upward and toward the tail. 



Caudula-ae: a little tail. 



Caul: the fatty mass of larvae from which the organs of the future adult 

 were supposed to develop : epiploon. 



Cauliculus: the larger of the two stalks supporting the calyx of the mush- 

 room body. 



Caulis: the funicle of antenna: the corneous basal part of jaws. 



Cavate: hollowed out; cave-like. 



Cavernicolous: cave-inhabiting. 



Cavernous: divided into small spaces or little caverns. 



Cavity- as: a hollow space or opening. 



Cecidium: a gall. 



Cell: any space between or bounded by veins: in the Comstock system the 

 cells derive their names from the vein forming the upper margin : e. g., all 

 just below the radius are radial cells ; and they are numbered from the 

 base outward, as radial 1, 2, etc.: the living unit; protoplasm differentiated 

 into cytoplasm and nucleus, from which units all but the lowest plants and 

 animals are developed by division and consequent increase into a multi- 

 cellular condition : a compartment or division of a nest or honey-comb. 



Cellule: a portion of a wing included between veins; usually applied to a 

 small area completely inclosed, rarely to interspaces where no closed area 

 is formed. 



Cenchrus-ri: minute, often white marks, or membranous spaces on the 

 metanotum of some Hymenoptera. 



Cenogonous: producing young at one time oviparously, at another vivip- 

 arously ; as in plant-lice. 



Centimeter: abb., Cm.: =.01 meter = .394 inch; roughly 2 1 /* Cm. = one 

 inch. 



Centrad: toward the centre or interior. 



Central foveola: see median foveola. 



Centrolecithal: applied to eggs in which the food yolk is central. 



Centrosome: a spherical body that appears outside the nucleus of a cell. 



Cephalad: toward the head, along the central line of the body. 



Cephalic: belonging or attached to the head; directed toward the head. 



Cephalic bristles: Diptera; specialized bristles occurring on the head. 



Cephalic foramen: the posterior or occipital foramen of head through which 



