44 GLOSSARY. 



Endophrag'ma (Gr. endon, within ; phragma, a fence). The 



chitinous roof of the neural canal in the thorax of some of 



the Crustacea. 

 En'doplast (Gr. endon, within ; plasma, anything moulded or 



modelled). In the Infusoria, a portion of the body which 



differs in chemical composition and transparency from the rest. 

 Endoplas'tica (Gr. endon, within ; plastikos, well-formed). A 



group of Protozoa in which a nucleus is distinguishable in 



the protoplasm of the body. 

 Endoplas'tule (Gr. endon, within ; plastikos, well-formed). 



The nucleolus of the Infusoria. 

 Endopleu'rite (Gr. endon, within ; pleuron, a side, rib). The 



portion of each apodeme in some of the Crustacea, which 



is derived from the interepimeral membrane which 



connects the somites. 

 Endo'podite (Gr. endon, within ; pous, podos, a foot). The 



internal terminal joints of the abdominal appendages in 



the Crustacea. 

 Endorhi'zal (Gr. endon, within; rhiza, a root). A term 



applied to the germination of monocotyledonous plants, 



in which the rootlets spring from within the embryo. 

 En'dosarc (Gr. endon, within; sarx, flesh). The inner layer of 



sarcode in the Amoeba. 

 En'doskeleton (Gr. endon, within). That part of the bony and 



cartilaginous framework of the body which is covered by 



the muscles and integument. 



Endos'mose | (Gr. endon, within; otheo, I push). The passage 

 Endosmo'sis j of a fluid from without inwards in the 



process of diffusion through a membrane. 

 En'dosperm (Gr. endon, within; sperma, a seed). The inner 



coat of the spore of a fern. The store of nutriment which 



exists in the seed for the nutriment of the embryo. 

 Endospd'rium (Gr. endcn, within; spora, a seed). The inner 



layer of the coat of a Zygospore. 

 Endoster'nite (Gr. endon, within; sternon, the breast). The 



part of each apodeme in some of the Crustacea, which is 



derived from the intersternal membrane which connects 



the somites. 

 Endos'teum (Gr. endon, within; osteon, a bone). A delicate 



layer of vascular tissue which lines the medullary canals 



of bone. 

 Endos'toma (Gr. endon, within ; stoma, a mouth, opening). A 



plate which in some Crustacea supports the labrum. 



