92 ACCOUNTS, ETC., OF THE BRITISH MUSEUM. 



dricornis) ; two Somali Gazelles {Gazella pelzelni and 

 Ammo dor cas clarkii) ; a Black Buck (Antilope cervicapra) ; 

 and a Marsupial Mole {Notoryctes typhlops). 



Skeletons have also been mounted of a Sea Otter {Enhydris 

 lutris) ; a Chillingham Bull {Bos taurus) ; an European 

 Bison ^Bos bonasus) ; and two small Cetaceans {Kogia 

 hreviceps and Delphinus Tuicrops). 



2. The numbering of the Birds' Eggs has been continued. 

 Four groups, illustrating the nesting habits of British 



Birds, have been completed, viz. : Hooded Crow, Carrion 

 Crow, Martin, and Swift ; and much progress has been made 

 in the mounting of similar groups of the Buzzard and Golden 

 Eagle. The faithful reproduction of the rock-work, which 

 forms the base for these two groups, and fills a large wall-case 

 in the Bird Pavilion, has been executed with great skill by 

 Richard Hall, a mason whose services were lent by the 

 Geological Department. 



A case, illustrating the nesting of the Hoatzin (Opistho- 

 comus cristatus), comprising nest, eggs, and parent birds from 

 British Guiana, has been mounted for the Bird Gallery. The 

 specimens were presented by J. J. Quelch, Esq., of the 

 Georgetown Museum. 



3. A series of types of Batrachians in spirit, and their 

 skeletons, have been mounted for exhibition in a table-case 

 placed in the Reptile Gallery. A few Sharks and Rays from 

 Muscat have been mounted for the Fish Gallery, and 

 numerous skeletons and skulls of Snakes, as well as of several 

 Percoid Fishes, have been prepared. 



4-9. The exhibition in the Insect Gallery has received 

 particular attention ; a series of models illustrating the 

 injuries done by Arachnids and Insects to plant-life have 

 been prepared, together with descriptive labels and drawings 

 of such as are of minute size, viz. : — 



Turnip, showing galls formed by the Turnip Weevil 

 (Ceuthorynchus sulcicollis) ; Apple-twig with flower buds 

 injured by the Apple Weevil {Anthonomus pomorum); 

 Cabbage Leaf, showing the injury caused by the Diamond-back 

 Mot^ {Plutella xylostella) ; Mustard Plant, showing the 

 injury caused by the Mustard Beetle (Phoedon cochlearioe) ; 

 Bramble, with curious gall formed in the stem by a small 

 Hymenopterous Insect {Diastrophus ruhi) ; Ground Ivy with 

 galls from another small Hymenopterous Insect (Aylax 

 glechom.ce) ; Hazel, showing buds distorted by a Mite 

 (Phytoptus avellance) ; Birch, showing buds distorted or 

 arrested by a Mite (Phytoptus betulce). 



The following have also been added to the exhibited series : 

 — A specimen of a gigantic Crayfish from Tasmania 

 (Astacopsis franklinii) ; the nest of a Trapdoor Spider from 



Ceylon 



