%i5t ot plates- 



Air, Apparatus for the Chemical and Micros- 

 copical Examination of ... ... plate 19 page 182 



Choloepus didactylus, Teeth of ... ... „ 17 „ 163 



Cockroach, Diagrammatic Sketch of Gizzard of „ 14 „ 116 



Diamonds ... ... ... ... ,, 10 ,, 92 



Foraminifera ... ... ... plates i, 2, 3, 4 „ 19 



Fox, Dr., Apparatus for the Chemical Examin- 

 ation of the Air ... ... plate 19 „ 182 



Gizzard of Cockroach, Diagrammatic Sketch of „ 14 „ 116 



Glass Larva ... ... ... ... „ 7 ?> 3^ 



Groundsel ... ... ... plates 11, 12 pages loi, 103 



Ditto ... ... ... „ 26, 27 „ 237, 245 



Hydrozoa, Development of ... ... plate 18 page 178 



Infusoria from Bristol ... ... ... „ 15 „ i33 



Lipeurus baculus .. ... ... ,, 28 „ 250 



Megatherium, Section of Upper Jaw and 



Teeth of ... ... ... „ 17 j? 163 



Microscopical Examination of Air, Appar- 

 atus for ... ... ... }} 19 )? 1^2 



Ophion luteum, Details of ... ... ,) 14 n n^ 



Peronospora alsinearum ... .. „ 24 „ 197 



ganglioniformis ... ... „ 22 „ „ 



infestans ... ... plates 20, 21 „ „ 



nivea ... ... ... plate 23 ,, „ 



parasitica ... ... ... a 22 ,, ,, 



Psychoptera paludosa ... ... ... )i 9 ;j ^9 



