GLOSSARY. 



281 



Ro TI'FE-RA (Lat. rota, a wheel ; 

 fero, I bear). A class of worms 

 with a pair of ciliated vela 

 which in motion resemble 

 wheels. 



SA-GIT'TAL. Referring to a line 

 or plane parallel with the 

 sagittal or median suture of 

 the skull of higher vertebrates. 



SAR'CODE (Gr. mr.r, flesh; odos, 

 way). Equivalent and earlier 

 term for protoplasm. 



SCA'BROUS. Rough like a file, 

 with small raised dots. 



SCLE'RITE. An}' separate piece 

 of an insect's integument. 



SCUTE. Applied to the dorsal 

 pieces in Myriopods. 



SEP'TUM. A partition. 



SO-MAT'IC. Relating to the body. 



SOM'ITE. A segment of a seg- 

 mented animal, such as a 

 worm. 



SE TA'CE-OUS (Lat. seta, a bristle). 

 Bristle-like. 



SPI'RA-CLE (Lat. spiro, to breathe). 

 The lateral breathing pores of 

 insects. 



STIG'MA-TA (Gr. stigma, a mark). 

 A synonym of spiracle. 



STO'LON (L-At.stolo, a shoot spring- 

 ing from the root of a plant). 

 Applied to the root-like creep- 

 ing growths of polyps and 

 other Cceleuterates. 



STO-MO D^E'UM. The primitive 

 mouth and oesophagus of the 

 embryo of worms and Arthro- 

 poda. 



STREP SIP'TE-RA (Gr. strepJiis, a 

 twist; pteron, wing). A group 

 of beetles, whose minute front 

 wings appear as if twisted. 



STRO'BI-LA (Gr. strobilos, a fir 



cone). The chain of zooids of 

 a larval medusa; the chain of 

 proglottides of a tape-worm. 



SUC-TO'RI-AL. Adapted for suck- 

 ing. 



Su PRA-OR'BI-TAL. Above the or- 

 bits. 



SU'TURE. A seam or impressed 

 line between the bones of the 

 skull or parts of the crust of an 

 Arthropod. 



SYM'PHY-SIS (Gr. sumphusis, a 

 growing together). The union 

 of two bones. 



TAC'TILE. Relating to the sense 

 of touch. 



T,E-NID'I-UM. The band or chiti- 

 nous fibre, forming the so- 

 called "spiral thread" of the 

 tracheae of insects. 



TEL'SON (Gr. telson, from telos, 

 end). The rudimentary ter- 

 minal segment of the abdomen 

 of Arthropods. 



TEN'E RAL. A state of the Neu- 

 ropterous imago after exclu- 

 sion from the pupa, in which 

 it has not fully completed its 

 coloring, clothing, etc. 



TEN-TAC'U-LUM (Lat. tento, I 

 touch). A feeler or tentacle. 



TER'GUM (Lat. back). The dorsal 

 region of Arthropods. 



TEST (Lat. testa, a shell). The 

 thickened integument of Tuni- 

 catti. 



TES- TA'CE-OUS. Dull red; brick 

 color. 



T no' RAX (Gr. tJiorax, a breast- 

 plate). The chest in verte- 

 brates; the middle body in in- 

 sects and some Crustacea. 



THY-SAN-U'RA (Gr. thusanoi, 



