INVERTEBRATE ANIMALS. 91 



Group 202.— MICRO-LEPIDOPTERA. ^c.xpV, small. In 

 this group are included all the Hetewcera below the 

 Noctuce; Pyralidina, Tortrlclna, Tineina, Pteropliorina, 

 and Alucitina. More than 300 species are described 

 and figured by H. T. Stainton in his monograph of 

 Tineina, 13 vols. 8vo. The British species representing 

 the group exceed 1,130; the exotic species are in pro- 

 portion less numerous than in other groups. 



Series of Austrian species, presented by Dr. 



Steindachner, Imperial Royal Zool. Museum, 



Vienna. 



Group 203.— NOCTU.E-GENUIN.E. Estimated number 

 of species : British, more than 300 ; European, 800. 

 ^ Examples of a few exotic and about 80 selected 

 species of British Nocture. Observe the diver- 

 sity elaborated within the limits of conspicuous 

 similarity. 



Group 204.— NOCTU.E-LIMBAT^. limbus, a border. 

 Observe the British species of Catocala, including C. 

 Fraxini ; also the Owl-moth of Brazil, Thysania Agrijj- 

 jjina, so coloured as easily to escape notice when resting 

 on the bole of a tree. The specimen exhibited measures 

 more than eleven inches across the wings. 



(!5rc):I)tcmt|j Cable Case. 



The Mark ^I indicates specimens or other illustratims exhihitedin the Cases. 



Group 205.— GEOMETRINA. y^, the earth; ixirpov, a 

 measure. The name alludes to the mode of progression 

 adopted by the larvae, which are called loopers, because 

 in moving they alternately take the form of the Greek 

 letter 12 and extend themselves at full leno:th. 



