68 Mr. A. H. Clark on 



CoLLiNGE, W. E., and Shoebotham, J. W. (1910.) " The Apterypota 



of Hertt'ordsliire." Joiirn. Econ. Biol. vol. v. part 3, pp. 95-13l\ 



figs. 1-15. 

 Guthrie, J. E. (1906.) "Studies of the Collembolan Eye." Proc. 



Iowa Acad. Sci. vol. xiii. pp. 239-243, pi. x-viii. 

 EiNNANiEMi, W. M. (AxEi.soN). (1912.) "Die Apterygotenfauna 



Finlands. — II. Spezieller Teil." Acta Soc. Scieut. Feun. vol. xl. 



no. o, pp. 1-359, pis. i.-xvi. 

 Lubbock, J. (1862.) " Notes on the Thysanura.— Part II." Trans. 



Linn. Soc. London, vol. xxiii, pp. 589-601, pi. lix. 

 . (1873.) "Monograph of the Collembola and Thysanura." 



London, Ray Society, pp. 1-276, pis. i.-lxxviii. 

 . (1880.) {drc/iesella nifesrens from Kent, Euglnnd.) Proc. Ent. 



Soc. London for 1879, p. 44. _ , 



Templeton, R. (1835.) " Thi/mnnne Hihernicce, or Descriptions of 



such Species of Spring-tailed In.-ects (Poc/nmand Lepisma, Linn.) 



as have been observed in Ireland : with Introductory Observations 



upon the Order by J. 0. Westwood." Trans. Ent. Soc. London, 



vol. i, part 2, pp. 89-98, pis. xi., xii. 

 TuELBERG, T. (1872.) " Sveriges Podurider." Kongl. Svenska Vet.- 



Akad. Ilandl. vol. x. no. 10, pp. 1-70, pis. i.-xii. 



EXPLANATION OF PLATE III. 



yiy. 1. Isotoma grisea, Lbk. Head from the side, showing mutilated 

 right antenna with three joints in comparison with the 4-jointed 

 normal left antenna. The illustration shows the increased size 

 of the terminal segment of the mutilated antenna. 



Fitj. 2. Entomohrya allxmncta (Tempi.). End of antenna, showing 

 presence of end-knob. 



Fiy. 3. Orcheselhi cincfa (Linn.), Lbk. End of antenna, showing absence 

 of end-knob. 



Fig. 4. O. cincta. Outline of right antenna, showing subdivision of 

 ant. i. and ii., making the antenna a])pear (J-jointed. 



Fig. 5. O. cincta. End of ant. iii., showing the antcniial organ iii. 



Fig. 6. O. cincta. Left eye-spot, with eight ocelli. 



Fig. 7. O. villosa (Geoffr.), Lbk. Riglit eye-spot, with eight ocelli. 

 The lettering A-II on the ocelli is in the same order as suggested 

 by Guthrie (1906). ^ 



Fig. 8. O. flavesc^ns (Boiirl.), Agr. Left eye-spot, with eig-ht ocelli. 



VTTT. — Tim interesting ^famm(lJ,<^ from the Idand of TohagOy 

 Weal InfJie.^. I'y AUSTIN TI. ClahK. 



Mk. W. E. l^HOAUWAY, of tlie I'otaiiic Slatioii, Scarborongli, 

 'JVjbaf^o, has recently .sent Jiie tlu; .skins of two mnintnnis 

 representing^ species one of which is as yet nnrecoided iroin 

 that island. 



Unl'orti.'nately both of the skins are iinperfecl, and the 

 .skulls ol both are inissin^i; J but the interest attaching to them 



