TERMS AND ABBREVIATIONS. 



43 



Rudimentary wings. Only partially 

 developed or abortive wings which 



' are stunted or imperfectly formed, 

 and are incapable of producing 

 flight, as in the females of the genus 

 Ocnogyna and Hybernia. 



Rufescent, j ^ ^ d h 



Rujous. J 



Rugose. Wrinkled. 



Sanguineous. Colour of blood. 



Scabrous. Covered with small rugged 

 points. 



Scales. The covering of the wings of 

 Lepidoptera ; it is these that give 

 the beautiful colours and marks to 

 the insect, as when they are detached 



' * 



there remains only the transparent 

 membrane ; some Lepidoptera are 

 so slightly clothed with scales as to 

 be diaphanous, and are called clear- 

 wings; prominent among these are 

 the Sesiidae and Ithomidae. 



Scalloped. The margin indented with 

 segments of circles. 



Scutate. Shield or buckler-shaped. 



Scutellum. A small, triangular part 

 of the mesothorax, situate at its 

 hind end. 



Secondaries. Hind wings, inferior 

 wings or secondary wings. Vide 

 PI. 1, f. IV and X." 



Segments. Divisions or rings that 

 compose the body. Vide PI. 1, f. I, 

 h, h, h, f. II, c, c, e, c. 



Segregated. Detached or scattered 

 into groups; as, "segregated atoms," 

 groups of loose or scattered atoms. 



Semi. Half; and in some instances, 

 partly. 



Semi-lunate. Partly Innate, or with a 

 tendency to being crescent-shaped. 



Sending. A thing sent; as, a "send- 

 ing of insects/' or, " I received your 

 sending in good order." 



Sep. Separate. 



Sep. Separatabdruck, German. Sepa- 

 rate printed descriptions, etc. ; ad- 

 vance sheets. 



Series. A suite, row or line. 



Serrate, \ Sharply toothed ; as, a 



Serrated. J serrated margin, a margin 

 edged with teeth like a saw. 



: Setaceous. Like a bristle. 



Setiform. Bristle-shaped. 

 \Setose. Covered with bristles; bristly. 



Simple. Plain ; opposed to compound ; 

 as, "simple eyes." 



Sinuate, \ Winding; waved; irregu- 



Sinuous. j lar; sinuous lines; winding 

 or undulating lines. 



Sinus. A deep indentation. 



Spatulate. Spoon-shaped. 



Sp., \ A distinct kind, differing 



Species, j from others in the same genus. 



Sp. Darwin, \ Darwinian 



Species Darwiniana. J species. Species 

 which, through climatic or other 

 causes, have, in course of time, be- 

 came entirely different from the 

 form from which they had originally 

 sprung. 



Spiracles. Breathing holes, situated 

 in the sides of the segments, in both 

 larva and imago, and are connected 

 with the two large tracheae, which 

 extend along the sides of the body. 



I Spur. A small spine on the tibae. 

 See calcares. Vide PI. 1, f. V,/. 



, Spurred. Furnished with spurs. 



Squamose. Scaly, covered or clothed 

 with scales. 



Squamation. Scaliness. 



Stamm, German. Stem. 



Stammform, German. Stem form ; pa- 

 rent form, from which other later 

 forms have originated. 



.Stemmata. Simple eyes. Sec Ocelli. 



i Sternum. The lower part of the tho- 

 rax ; the breast. 



Streak. A narrow stripe. 



Stria. PL Strice. A small line ; pro- 

 perly, a depressed or indented line. 



Striated. Marked with fine lines. 



Sub. Prefixed to other words, modi- 

 fies or lessens their force ; thus sub- 

 hyaline means partially hyaline ; 

 sub-marginal, near the margin. 



Sub-apical. Near the apex. 



Sub-apical dash. A not very large 

 dark mark starting from the exte- 

 rior margin of primaries not far 

 from the apex ; most noticeable in 

 the Catocalidae. 



Sub-basal. Near the base. 



