KNOWLEDGE 



INDEX OF THE PRINCIPAL ILLUSTRATIONS. 



Abel Tester for the " Flash Point,' 

 The 



Ant, Gizzard of {Ltisiu.t nif/er) 



Antlers, Ancient Red Deer- 

 Skull and Antlers of Aged Si'ot^ch 



Red Deer 

 Antlers of Red Deer from an Irisli 



Bog 



Antlers of Ancient German Red 



Deer ... ... 



Antlers of German Red Deer with 



Twenty Points 

 Antlers of Ancient German Red 



Deer w ith T«ent.v-two Points ... 

 Antlers of French Red Deer with 



duplication on the rij;ht siile ... 



Arietis (26), Occultation of ... I 

 Audubon ; 



Bee, Hooks on the Mandible of the 



Hoaey i dpU nielifra) ... . : 



Bees, British — 



Colletes Dat'ttsitna 



Andrena ftdva ; CiHasn httinor- 



rhoidalis : Dast/poda hirtipes ... 

 y omada succincta ... 

 Rose leaves cut by MejachiU 

 The Leaf-cutter Bee 

 Tnder side and side view of 



Abdomen 

 Head of Leaf -cutter Bee ... 

 Tunnel of Leaf-cutter Bee 

 Third pair of Legs, open and shut 

 Leaf -cutter Bee at work . . . 84, 



Tunnel of Leaf-cutter Bee — 



Foundation of first cell 



First side-piece cut and carried, 

 and fixed in position 



Second, third, and fuurth side- 

 piece 



First gap filled up 



Section of first cell, showing 

 pudding and egg 



Three cells 



Section of cells and puddings ... 



Larvae feeding ... 



Pupae 



Five cells, two of them vacated 



Bladder of Bladderwort 223 



Bladderwort Plant in flower .. 2'-l 



Botanical Studies — 



Vaucheria aver-a 22 



Coleocha^te ... ... o5 



.limgermannia ... 1)7 



Mnium .. ... IfiS 



Aspleniuni . .. 212 



Selaginella . 261 



Abies 283 



Lilium ... ... .. 284 



Bushman ... .. 224 



Calamocichla brevipennis, Nest of, 

 in a Coffee Tree 101 



Camera, Prismatic, used in Brazil ... [> 



Campbell's (Professor) Observing 

 ^~^ I Station at Jeur, India 



259 Cloud-Belt, The Equatorial 



I Colours of Cowries, The (full page 

 photo;,'raphic plate) ... 



Fluorine, Apparatus for Liquefac- 

 tion of . 



32 



ns 



!»8 

 9S I 

 99 

 99 I 

 99 

 911 : 



Crustacea, The World of— 



A Phyllopod of Palestine (Kstheria 



ffihoni) ... ... ... ... 1 



A pedunculated Cirripede (Lepan 



anaiifera) ... ... ... 2 



A Copepod, parasitic on fish (iecnie- 



olopkus sultana) ... ... 2 



A West Indian Land Crab {Cardi- 



soma guanhumi) ... ... ... 3 



An Arctic Isopod (Gli/ptonolus 



sabini) ... ... ... ... 3 



llemiinerut talpoides ; Dipellt-s 



carri (from Schuchert) ; Dipelti.t 



diplodiscas 67 



CriiptoUthodes tiiplcus 68 



Swimming foot of Amphipod ... 69 

 Deep-sea Shrimp taken by the 



Alhatross. Life-size ... ... 104 



Last uropod of the Urothoe ... 105 



Urothoe breiicornis 105 



Second antenna of Baustorius 



arenariu.1 ... ... ... 105 



Platyarthrus Boffmannseggii ... 106 

 Nebalia bipes (O. Fabricius) ... 146 

 Lepidurus arcticus (VnXhii) ... 146 



Daphnia carinata ... ... ... 147 



Ci/clops Sernilafiis Fischer, 



Figure of 198 



Capilia vitrea (Haeckel) 198 



Calocalanus PIumuIosiu (Claus)... 198 

 xfotopterophonts papilio Hesse, 



Figure of 199 



Sphyrion Icevigaium ^<}uay and 



Gaimard). M A.S. ... ... 243 



Notodelph i/s ai/ilis; Thorell. From 



Brady ' 243 



Lomanoticolii insolem. From A. 



Scott 244 



Xicothoi asfaci, Milne-Edwards 



and Audouin .. 244 



Sphoei-onella elegantula, Hansen... 244 

 Caligus torpedinis. Chondracan- 



thus horridus. From Heller ... 245 

 Diocus gohinus (Fabricius). From 



Steenstrup and Liitken ... 245 



Eclipse Spectra (full page photo- 

 graphic [ilate) ... ... ... 132 



Eel, The Vinegar (after Pasteur) ... 53 



Esker at Balrothery, View from the 

 road along the 21^ 



Hills, CO. Dublin, 



Esker at Green 

 Section in the 21'.' 



Esker at Green Hills, co. Dublin, 

 Stratificationof sand at base of the 22i> 



Esker at Tymon Castle, The south- 

 west slope of the 219 



Faculae, Artificial and Natural ... 183 



Fly's Eye, How to photograph 

 through a 188,189 



Gneiss, Block of, from co. Mayo, 

 Ireland ... . 26 



Godwit, The Bar-tailed ... 30 



Guillemots on Cliff 19 



Gulls, Lesser Black-backed ... .. IS 



Holly Fly, Parasite of 210 



Holly Leaf mined by Larva of Phgfo- 



mgzu aquifolii ... ... ... 210 



Ireland, The Structure of— 



Sketch-map of Ireland 76 



Section on the east border of 



CO. Cork ... ... ... ... 77 



.Slievenaman (2364 feet), co. 



Tipperary ... 77 



Killary Harbour, View of the head 

 of the fjord of 171 



Leo, the Constellation, with Stellar 

 Standards of Reference ... 252 



Light Curves as observed with the 

 Photometer ... ... 155 



Light Curves (Theoreticalj of 

 different Binary systems 151 



Lunar Alps and their neighbourhood. 

 The ... ,85 



Marguerite Fly, The — 



Ovipositing in Leaf ... ... 178 



Sealing up the Egg ; larva and pupa 

 of; Egg, part of mine', and pai-a- 

 site of ; continuation of mine and 

 pupa, in which parasite is 

 ovipositing ... ... 179 



Marguerite, Golden, affected with 

 ■ the maggot " : Leaves of, showing 

 Larvae 178 



Milky Way, The, according to Celoria 13 



MilkyWay,The, according to Proctor 12 



Moon in Eclipse, January 7th, 1898, 

 Photograph of 40 



Moon, Path of, through the Earth's 

 shadow, December 27, 1898 .. 287 



Moon, The Rising and Setting of the 

 Harvest 215 



Mourne Granite. Specimen of ... 123 



Mourne Mountains. View in the 

 valley of the Kilkeel River, ... 122 



Mudflats, Low Tide on the 29 



