230 



GLOSSAKV 



Hepat'ic. Pertaining to the liver. 

 Heteroc'era. A group of Lepid- 



optera having the antennae 



variable in form. 

 Heterop'tera. A group of Hem- 



iptera having base of front 



wing thickened. 

 Hi'bernate, 85. 

 Homol'ogous. Having similar 



origin and structure but diifer- 



ent use, 96. 

 Homop'tera. A group of Hem- 



iptera having wings of similar 



texture. 

 Hymenop'tera, (Gr. Membran- 

 eous Wings). An order of 



insects having both pairs of 



wings membraneous. 



In'fra. Below or posterior to. 

 Ima'go, 42. 



Keel. A projecting ridge on the 

 sternurn of birds. 



Lar'va, 42. 



Lig'ament, 182. 



Lepidop'tera, (Gr. Scale Wings). 

 An order of insects having 

 wings covered with scales. 



Malpi'ghian Tubes, 32. 



Mam'mary Glands. Milk-pro- 

 ducing glands of mammals. 



Man'tle, 140. 



Medul'la oblonga'ta. Enlarge- 

 ment of the spinal cord below 

 the brain. 



Mes'oderm, 120. 



Mes'enteries. The thin mem- 

 branes holding the intestines 

 to the walls of the abdomen. 



Mesoster'num. Middle segment 

 of the sternum of the thorax. 



Met'amere. One of the similar 

 divisions of the body of an 

 animal, same as somite. 



Metaster'num. Last segment of 

 the sternum of the thorax. 



Metamor'phosis. In insects the 

 passing of the larva through 

 more or less complete changes 

 to the adult form. 



Morphol'ogy. The study which 

 deals with the forms and 

 structure of animals. 



Myriop'oda, (Gr. Thousand 

 Legs). A class of Arthropods 

 having many jointed legs borne 

 upon similar segments. 



Nau'plius. The larval stage of 

 some of the crustaceans. 



Nephrid'ia, 128. 



Neu'ral. Pertaining to the 

 nerves or the nervous system. 



Neurop'tera, (Gr. Nerve Wings). 

 An order of insects having 

 membraneous wings with nu- 

 merous veins. 



Ni'ctitating Membrane, 178. 



Noctur'nal. Active by night, as 

 many of the moths. 



Nymph, 79. 



