Halcyon collaris, 175 Haliotis, 87 Hamadryas, 183 Hanley, Sylvanus, on the LinneanManuscript of the 'Museum Ulricæ', 43 Heliconidæ, 183 Helix, 83 ---- aspersa, 41 Helomyza, _Fallen_, 143 ---- copiosa, _Walk._, 143 ---- observans, _Walk._, 143 ---- tripunctifera, _Walk._, 143 Helomyzides, _Fallen _, 142 Helophilus, _Meigen_, 119 ---- conclusus, _Walk._, 119 ---- consors, _Walk._, 119 Hermetia, _Latr._, 94 ---- remittens, _Walk._, 94 Hirundo javanica, 175 Huxley, T. H., on the dermal Armour of _Jacare_ and _Caiman_, with notes on the Specific and Generic Characters of recent Crocodilia, I Hyalæa, 42 Hydromyzides, _Haliday_, 170 Jacare, 4 ---- and Caiman, Prof. _T. H. Huxley_ on the dermal Armour of Idia, _Meigen_, I, 132 ---- australis, _Walk._, 132 ---- prolata, _Walk._, 133 Ixos, 173, 174