CATALOGUE 



OF 



ORTHOPTEROUS INSECTS. 



Class INSECTA. 

 Order ORTHOPTERA. 



Orthoptera, Olivier. 

 Hemiptera, pars, Linnams. 

 Hemiptera, Retzius. 

 Dermaptera, De Geer. 

 Ulonata, pars, Fabriciiis. 

 Deratoptera, pars, Clairville. 



Section AMBULATORIA. 



This Section, comprising insects witli legs formed for 

 slow motion, consists of tlie single 



Family PHASMIDJE, Kirby, Serville, G. R. Gray. 



Pliasmodea, Burmeister. 



Phasmina, MacLeny. 



Spectra, Latreille. 



Phasma, StoU, Lichtenstein, De Haan. 



Prothorax small, not dilated into a shield covering the 

 head. Legs formed for walking ; the fore pair not rapto- 

 rial ; the hind pair not saltatorial ; tarsi 5-jointed. Abdo- 

 men not forcipated at the tip. 



The Orthopterous insects distinguished by the preceding 

 characters are popularly known under the names of Spectres, 

 Walking-stick and Walking-leaf insects ; the two former 

 names being given to them in allusion to the slender twig- 

 like form of many of the species, and the latter to the leaf- 



like appearance of others, especially those of the genus 

 Phyllium, which indeed in the living state so nearly re- 

 semble the foliage of the j)lants on which they reside, as 

 to be distinguished from them with difficulty ; a curious 

 instance of which will be found noticed under Phyllium 

 Scythe. 



The 5-jointed tarsi, longitudinally folded wings, when 

 present, and abdomen not furnished witli an apical pair of 

 forceps, distinguish these insects from the cursorial For/i- 

 culidce or Ear-wigs ; the small size of the prothorax, or 

 segment immediately following the head, will at once sepa- 

 rate these insects from the cursorial family Blattidce or 

 Cockroaches ; the simple fore legs from the raptorial Man- 

 tidce ; and the hind legs, not formed for leaping, from the 

 saltatorial Gryllidce, Achetidce and Locustidce. 



The species are comparatively of large and often gigantic 

 size ; they frequent the warmest portions of the globe, and 

 the recent researches of assiduous collectors in different 

 parts of the world, have satisfactorily proved that India 

 and the islands of the Indian Archipelago constitute the 

 metropolis of the group. Notwithstanding their large size 

 (may we not, indeed, from analogy with the higher tribes of 

 animals, rather say that, as a necessary dependence upon 

 their large size ?), the insects of this family are harmless 

 herbivorous creatures. 



The attention of modem entomologists to the great in- 

 crease in the number of species of these insects presei-ved in 

 our collections, was first aroused by the appearance of the 

 elegant work on the Australian Phasmidse, published by 



