1888-89.] Galls of Noriuay. 483 



below in full, those not ali'eady recorded as Norwegian by 

 myself being indicated by an asterisk. 



Tor convenience of reference, the gall-makers are grouped 

 under the food-plants, as in my paper ; but in the original 

 they are arranged into larger groups by the nature of the 

 gall-makers (Mites, Hemiptera, Diptera, Coleoptera, Hymen- 

 optera), the host-plants supplying the arrangements only for 

 subordinate groups. 



Cerastium triviale, Link. — Galls of Trioza Cerastii (Trans. 

 Edin. Bot. Soc, p. 201). Near Ulvik, Falejde, Merok, Molde, 

 Trondhjem, terminal moraine of Svartisen glacier, Bodo. 



Lotus corniculatus, L. — *Galls of Phytoptus, consisting of 

 pinnse rolled and folded upwards, w^ith a white felted coat 

 of hairs below. Near Falejde and Molde. 



*Phaca astragalina, DC. — Galls of a Ceddomyia, in the 

 form of pod-like involute leaflets, which are yellowish -green 

 and somewhat thickened, and are smooth inside. On the 

 moraine of the Svartisen glacier. 



Vicia Cracca, L. — Galls of a Ceddomyia, probably of C. 

 Vicice (lac. dt, p. 205). Near Lyngseidet. 



Primus Padus, L. — Galls of a Phytojptus, called Ceratoneon 

 attenuatuni, Bremi {loc. dt., p. 205). Near Ulvik, Merok, 

 Molde, and Trondhjem. 



Spirma ITlmaria, L. — Galls of Ceddomyia Ulmarice, Bremi 

 {loc. dt., p. 205). Near Trondlijem and Lyngseidet. 



*Buhis saxatilis, L. — Galls of Phytoptus, in the form of a 

 Cqjhaloncon. AA^ere common on the Kristiansten, east of 

 Trondhjem. 



*Geum rivale, L. — Galls of Phytoptus (Phyllerium gd, Fr., 

 or Erincum gd, similar to those recorded by myself {loc. dt., 

 p. 206) from Geum urhanum, near the Buarbrte), on one plant 

 near Trondhjem. 



* Alchcmilla vtdgaris, L. — Galls of Phytoptus, producing a 

 radial folding and consequent constriction of the leaves. 

 At Tromso, and on the North Cape. 



*Rosa carclica, Fr. — Galls of Ceddomyia rosarum. Hardy, in 

 the form of inflated conduplicated dark purple-red pinnee. 

 Near Ulvik and Trondhjem. 



* Crataegus Oxyacaiitha, L. — Galls of an aphis, Myzus 

 oxyacanthce, Koch, formed tumour-like outgrowths of a 

 purple-red colour on the leaves. Near Tromso. 



