Observations 2 Part 2

Page 1

170

EDITORIAL.

Hymenoptera, which is the sole Order still outstanding, our County is found to maintain no less than 8,200 different sorts of Insects. T h u s :— Lepidoptera, M o t h s and Butterflies ( T r a n s , i, p. 3 0 ) : O r t h o p t e r a , Grasshoppers, Earwigs ( T r a n s , i, p. 92) : Coleoptera, Beetles ( T r a n s , i, p. 121) : N e u r o p t e r a , D r a g o n - and Water-flies ( T r a n s , i, p. 181) : D i p t e r a , Fleas and T w o - w i n g e d Flies ( T r a n s , ii, p. 36) : H e m i p t e r a , Bugs and Lice a n d Scales ( T r a n s , ii, p 134) :

Britain 2 0 8 6 ; Suffolk 1356. „ „

38 ; 3580;

„ „

28. 2056.

443 ;

197.

2993 ;

1887.

1350 ;

646.

It is regrettable that Norfolk has made no effort to complete her Insect-fauna : the Lepidoptera have been tended, and their names are now being modernised (in a belated Index to all published volumes, voluntarily compiled at their discretion by two or three of our own Members, and shortly to be issued by the Norf. Nat. Society); a list of Diptera has appeared ; and both Coleoptera and those sections of Hemiptera which treat of Heteroptera, Cicadidae and Psyllidae, carefully worked out. T h e remaining Hemiptera, with all Orthoptera and Neuroptera seem neglected ; and among Hymenoptera the Aculeata, Sawflies and Ichneumons alone have been dealt with at any length. Hence no Insect-total is computable for Norfolk ; Cambs and Essex have attempted no finality of the kind. In fact, few Counties have yet been fully worked in this respect: we recall only Nottingham's 4795 species (Prof. Carr, Invert. Faun. Notts 1916, p. 599) and the Isle of Wight's 3535 species (Morey, Guide to I. Wight 1909, p. 541).

OBSERVATIONS. A Naturalist, hailing from Salisbury (call it Sarum), Took a fine lot of Mac. stellatalisbury At some flowers down in Hampshire (call it Hants), VVhere his confreres' sore wampshire Induced him to graciously shalisbury ! FOREST-BED F O S S I L S . — N o t f o r l o n g h a s t h i s i n t e r e s t i n g S t r a t u m

been so well exposed as was the case on 20 November 1932. In its most northern part on the Corton foreshore, and between 1 \ to \ \ feet below the surface of bluish peat-covered clay, have been recorded the recent Linnean mollusca :—Bithynia tentaculata Limnaea stagnalis, Planorbis corneus, P. spirorhis and Succinea putris with Valvata piscinalis, Müll, a species of Helix or Zonites, and fragments of JJnio or Anodonta sp. (Blake, Geol. M e m . Yarm. and Lowest. 1890). T o these are now to be added the four recent


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