EXPLANATION OF PLATE XLII. (continued). 

 FIG. 



34. CYPRIDIUM SPINIGERUM, C. & L., vol. ii. p. 754. Dorsal aspect, x 300 (Claparede 

 & Lachmann). 



35, 36. ^EGYRIA MONOSTYLA, Ehr. sp., vol. ii. p. 755. Dextral and sinistral views, 

 X 200 (Stein). 



37, 38. HUXLEYA CRASSA, C. & L., vol. ii. p. 758, x 300 (Claparede & Lachmann). 



39, 40. ^GYRIA 'ANGUSTATA, C. & L., vol. ii. p. 755. Dextral and ventral aspects, 

 X 300 (Claparede & Lachmann). 



41, 42. CHLAMYDODON MNEMOSYNE, Ehr., vol. ii. p. 750. Ventral and lateral aspects, 

 x 250 (Stein). 



43,44. ^EGYRIA OLIVA, C. & L., vol. ii. p. 756. Dextral and sinistral aspects, x 250 ; 

 <?, eye-like pigment-speck (Claparede & Lachmann). 



45. CYPRIDIUM ACULEATUM, C. & L. sp., vol. ii. p. 754. Sinislral aspect, x 250 



(Claparede & Lachmann). 



46. TRICHOPUS DYSTERIA, C. & L.^ vol. ii. p. 758, x 200 (Claparede & 



Lachmann). 



47,48. TROCHILIA SIGMOIDES, Duj., vol. ii. p. 757.-* 47, as figured by Claparede & 

 Lachmann, under the title of Huxley a sulcata, x 500 ; 48, after Dujardin. 



49, 50. SCAPHIDIODON NAVICULA, Stein, vol. ii. p. 750. Ventral and dorsal aspects, 

 x 240 (Stein). 



5 1, 52. TROCHILIA PALUSTRIS, Stein, vol. ii. p. 757. Dorsal and ventral aspects, x 400 

 (Stein). 



