78 A MONOGKAl'lI OF THE TERTIARY POLYZOA OF VICTORIA. 



23. L. rolinidala, ii.s|). I'l. X., liy. 18. 



Zod'cia (lisliiict, ovale or rouiulcd ; surlacc closely occupied l)y minute round 

 pores ; tliyroslome contracted below, the lower lip hollowed ; several spines above. 



L.B. A sinijle minute* Frai^'ment. 



24. L. (jvaysoni, n.sp. Pi. X., lii;'. 17. 



Zoiecia eloiij^ated, quadrate, with sliglitly raised i-itluu' tliick mari^ius, Hat but 

 someu hat receding' towards the thyrostome, a row of lar;4'e pores along- the margins 

 and nuiucroiis sinalh'i- ])ores irregnlarly scattered over the surface; thyrostome 

 semicircular, h)W(!r lip much j)rojecting upwards, a stout sharp denticle a1)ove tlie 

 rounded angle on each side. 



M. 



T liave much ])leasure in dedicating this species to Mr. ITt^nry Grayson, to wiiom 

 i am indebted For the M(jorabool specimens and for valual)le assistance in pre[)aring 

 tlie others. 



25. L. colli iuua, n.sp. PL XII., lig. 4. 



Zoarium I)ilamina1e. Zoa'cia sejjarated by very narrow lines mostly obliterated, 

 witii numerous small round pores; thyrostome nearly semicircular, lower lip convex 

 ujjwards, torming a small mucro-like projection, a small denticle on each side. 



M.C. 



2(J. L. obliqau, n.sp. PI. XII., tig. 5. 



Zoarium bilaminate. Zocecia separated by prominent raised lines; surface 

 roughly granular witli numerous small pores between the granulations ; thyrostome 

 straight or generally oblique, arched above, contracted below, the lower li]) convex 

 upwaids forming a mucro-like j)rojcction, a small denticle on each side. 



B. 



27. L. spatulata, Waters. PI. X., fig. 25. 



Lciirnlia ajxil Hilda, Waters, Q.J.G.S., 1881, p. 335. 



Zoariiiiii eyliiidrieal, prohaljly from growing round a narroAV alga. Zoo'cia 

 distinct, separated by narrow raised lines, upper extremity raised, surface finely 

 granular; thyrostome subcircular, higher tlian Avide, on each side internally a 

 narrow ridge separatcxl by a gi'oove from the outer part ; six spines above. 



S.P. 



Waters mentions that in a specimen from Mount Gamljier there are many large 

 spatulate zoojcial avicularia scattered over the stem. It, is readily distinguislied by 

 the peculiar conformation of the thyrostome. 



