51. 



REGION, any part, tract, space, or division. 



RESPIRATION, (Lat. le, again, and npinxre to breathe.) The act of breathing. 

 RHOMBOIDAL, (Gr. r/(om/jK«, rhomb, and eidas shape.) Having the shape of an oblique- 

 angled parallelogram. Like a rhomboid. 

 ROSTRUM, (Lat. rostrum, the beak.) Th« beak or suct«rial organ, 



s 



SCIENCE, (Lat. scire, to know.) Classified knowledge, A distinct branch af knowledge. 



SCALLOPED, ecige cut or marked with scallops or segments of circles. 



SCUTELLtJM, Lat. «c«?eWM(», diminutive cf scvfnin, shield.) A triangular piece extending 



from the thorax backward inserted between the elytra, as in some species of the beetles. 

 SEGMENT, <Lat. segme.nlniA, a cutting, slice.) A section, portion. 

 SERRATE, (Lat. aerrn, saw.) With teeth like a saw. 

 SETIFORM, (Lat. -re^iT, bristle, /orma, form.) Bristleform, slender, round, and tapering to a 



point, 

 SIMPLE EYE, An eye with a simple or uudivided cornea, with a single facet instead of many 



as in a compound eye, 

 SLENDER, Thin or narrow, not thick. 



''SNOUT," The pn»longed or beak-like head, as in weevils, used for boring in objects, 

 SPECIES, A collection of individuals with common characters. 

 SPHEROIDAL, (Gr. spknira, sphere, eidoi, form.) Shaped like a snheroid, which is a figure 



approaching to a sphere, 

 SPIDER, Oae of the order Arachnida, having the body divided in two regions, (cephalo-thorax 



and abdomen,) and eight legs, 

 SPINNERETS, The organs of insects for spinniag silk or webs. 

 SPIRACLES, (Lat. spirare^ to breath.) The pores or openings of the tracheae, or air tubes on 



the side of the body of an insect. 

 STING, A sharp pointed weapon of some inseHs, thrust from the hinder part of the body, used 



in defense or securing prey. It is a tube througn which a poisonous matter is discharged 



into the wound. 

 STOUT, Strong, vigorous, robust, large. 



STRIATED, (Lat. ttria, furrow.) Streaked with lines or small groovings. 

 STYLE, (Lat. stglim, a pointed instrument.) Hair-like appendages of the abdomen of certain 



insects, 

 SUB-COSTAL CELLS, The cells or spaces bctweea the branches of the sub-costal vein (the 



second of the five principal veins usually present in the wings, the first being the costal.) 

 SUNKEN, Immersed or partially sunk or concealed, as the head in the thorax. 



T 



TAILED, Said of butterfiies having wings with tail-like projections. 



TARSAL, (Gr. t(x.riv,s, flat of the foot.) Pertaining or belonging to the tarsus. 



TARSUS, '(ir. tarmn, fiat of the foot.) The part or division of tie leg next below the tibia. 



TAAVNY, fulvous ; a dirty yellow. 



TE iUL^E, (Lat. (eynla, a tite.) Shoulder lappels covering the bases of the wings in Diptera, etc. 



TIBIA, (Lat. tibia, shin bone.) The second division of the leg. between the tarsus and coxa. 



TRANSFORMATION, (Lat. (raws, over, and/or»iire, to form.) Change of form or condition 



as of a. catarpillar to a butterfly. Metamorphosis. 

 TRANSPARENT, (Lat. trans, through, a.mi pare re, to appear.) Transmitting ray» of light, so 



that objects may be distinctly seen through. 

 TRAPEZOIDAL, iGr.trapeza, tnhle, a,nd eidos, form.) Shaped like a trapesoid, which is a 



four-sided figure with only two sides parallel. 

 TRIANGULAR, (Lat. tria, three, and angulus, corner.) Shaped like a triangle, which is a fig' 



ure with three sides and three corners or angles. 

 TRUNCATE, (Lat. truncare, to cut short.) Appearing as if cut off. 



V 



VALVE, (Lat. valva, leaf, fold.) A lid or cover to an opening allowing communication in one 



direction, and preventing it on the other. 

 VENTRAL, (Lat. venter, the belly,) Pertaining to or on the lower or abdominal side of the 



body, opposite the dorsal. 



