698 



GLOSSARY 



THT-SA2f-rBA (Gr. thusanoi, 

 fringes; <nira, tail). The low- 

 est order of insects. 



To iiem-tose'. Covered with fine 

 matted hairs. 



TBA-BEC'u-LiE (cranii), dim. of 

 irabs, a. beam. Applied to the 

 longitudinal cartilaginous bars 

 of the fore-part of the head of 

 vertebniie embryos. 



Tba'che-a (Gr. tracheia, the 

 rough windpipe). The respira- 

 tory tube iu vertebrates; the 

 air-tube of tracheale insects. 



TBEii-A-TODA (Gr. trema, a pore 

 or hole). Au order of worms. 



Tbitn- GATED. Cut squarely off; 

 docked. 



Tu-beb cu-ix)aE. Covered with 

 tubercles. 



Tc:N-i-CA'TA(Lat. tenjco, a cloak). 

 The class of worms called As- 

 cidians. 



Um BO (Lat. the boss of a shield). 

 The beak of a Lamellibranchi- 

 ate shell. 



Un-gu-la ta (Lat. ungula, a hoof). 

 The order of hoofed mammals. 



tT-BO-DELA (Gr. (mra, tail; delos, 

 visible). The tailed Batrachi- 

 ans. 



U-BO-MEBE' (Gr. ov.TOS,Xa.i\ ; meros, 

 a part). Any of the abdominal 

 segments of an Arthropod. 



U-bop'o-da (Gr. outoh; pons, po- 

 dos, foot). Any of the abdom- 

 inal feet of Arthropoda. 



U-bo-sosie' (Gr. ouros, tail ; meros, 

 a part). The abdomen of Ar- 

 thropods. 



TJ-BO stebn'ite. The sternal or 

 under piece of the uromeres or 

 abdominal segments of insects. 



Vac-xj-ole' (Lat. vacuus, empty). 

 The little cavities in the bodies 

 of Protozoa. 



Yeen. Applied to the ribs or 

 " nervures" of the wings of in- 

 sects ; the branches of the veins 

 are called tennles. 



Yex TBAL. Applied to the under 

 side of the abdomen, or of the 

 body of invertebrates. 



Yes'tei CLE (Lat. Tentriculus, di- 

 minutive of renter, belly). One 

 of the cavities of the heart. 



Yeebicu-late. With thick set 

 tufts of parallel hairs. 



Yer Br-cosE. Covered with wart- 

 like prominences. 



Yer te-bra (Lat. terrto, I turn). 

 One of the bones of the spinal 

 column or backbone. 



Yeb-ti-cll'late. Placed in 

 whirls. 



Yes i-cle (Lat. resica, a blad- 

 der). A little sac, bladder, or 

 cyst. 



Yis CE-RA (Lat. viscus). The in- 

 ternal organs of the body. 



Yi-Tip A-Eous (Lat. rirus, alive; 

 and pario, I bring forth). Ap- 

 plied to animal? which bring 

 forth their young alive. 



Zo'StD (Gr. zoon, animal; eidos, 

 form). The highly specialized 

 organs of such animals as the 

 Hydroids, and other compound 

 forms which have a marked in- 

 dividuality, and which might 

 be mistaken for genuine indi- 

 viduals. 



Zo-o'PHTTE (Gr. zoon, animal; 

 ^Au<<wi, plant). Applied to the 

 plant-like polyps, sertuhuians, 

 and sponges. 



