yules from the Qally Murine Laboratory. 125 



Ilulictut eri/thntruSf Cockerel I. 



9 .—York, W. Aiisfraliii (0. //. S<ir</eut) . 



Tin' speciinun lias two liir|^e black maika on tlie fifili 

 alxlominal sf^ment, sublateral unci lateral spots on tlie foiiitli, 

 aticl lateial spots on the tliinl. I have a specimen from the 

 type-locality with latt-ral spots on the abJomen, so the [xcii- 

 liarity can hardly indicate a subspecies. 



Halictus yiielanuruSy sp. n. 



? . — Len<fth about 4 mm. 



Black, with the abilomcn about as far as middle of third 

 sefjment shining yellowish-ferruginous, beyond that very 

 dark fuscous, almost black, basal half of first segment also 

 dusky; labrum and mandibles except aj)ex dark red; fla- 

 gellum clear ferruginous beneath except at base ; tegulas 

 clear ferruginous. Legs dusky red, with the anterior tibise 

 in front and all the knees clear red ; pubescence scanty, dull 

 white. Abdomen without hair-bands. , Wings clear, stigma 

 and nervures ferruginous; outer r. n. and t.-c. much weak- 

 ened ; first r. n. meeting second t.-c. Head ordinary, face 

 broad ; clypous shining ; front dull ; mesothorax moderately 

 shining, very finely punctured; area of metathorax rough, 

 with delicate plicie, the margin shining. Microscopical 

 characters : — Front densely punctured, the surface between 

 the punctures finely sculptured ; mesothorax microscopicallj 

 tcssellate, anteriorly transversely lineolato ; area of meta- 

 thorax with wiinkled plicfe ; hind spur of the simple type 

 (microscopically serrulate or spinulose). 



York, W. Aiistruliu (0. II. Sari/erit). U.S. Nat. Museum. 



Related to the Tasmanian //. disclumSf Ckll., but easily 

 separated by the red tegula\ It is also a smaller species. 

 The scoj)a on hind tibiw is rather short and thin, but beauti 

 fully plumose. 



XII. — Notes from the Gutty Marine Laboratory, St. An- 

 drews.— ^o. WAl. By Prof. M'Intosh, M.D., LL.D., 

 D.Sc, F.K.S., ^c. 



1. I'reliniiiiary Studios on Filograna: a, Historical; h, Fauuistic ; 



f, Structural ; rf, Cieneral. 



2. Ou llurmothoe tcattoni, M'l., au var. //. marphyso", M'l. 



1. Preliminary Studies on Filograna. 



(a) Historical. 



Filograna, the subject of the fcdlowing remarks, has pro- 

 bably been known to marine zoologists from very early 



