119 
turnal Lepidoptera are often almost impossible to describe, and it is 
only by the most accurate figures, or by comparison of specimens, 
that we can arrive at the determination of species. 
I am indebted to Mr. Alfred Lambert of Sydney for the speci- 
mens figured and for the drawing of the larva. The following note 
accompanies the specimen :— 
“The larva is figured in drawing No.2. When I first found it I 
concluded that it was a Cerura, as in its habits it resembles the larva 
of that genus. It forms a strong cocoon, which is slightly attached 
to the trunk of the tree just below the surface of the ground. In 
form this cocoon is much like that of our common Saturnia, only 
exteriorly it is covered with points of sticks, grass, &c. The larva feeds 
on the Eucalypti, is found in January ; the imago appears in July.” 
From this it will be seen that it is a winter insect. 
3. DESCRIPTION OF TWENTY-NINE NEW SPECIES OF HELICINA, FROM 
THE COLLECTION or H. Cumine, Ese. By Dr. L. PFerrrer. 
1. Hexicrna acuta, Pfr. Hel. testd depresso-conicd, soliduld, ob- 
liqué confertim striatd et subgranulatd, opacd, luted, superne rubro- 
unifasciatd ; spird conoided, acutd, mucronatd ; anfractibus fere 6 
planiusculis, acuté carinatis, ultimo basi planiusculo ; aperturd 
perobliqud, subtriangulari ; columella subverticali, brevissimd, basi 
angulatd, supern? in callum basalem tenuissimum abiente ; peristo- 
mate simplice, aurantiaco, margine supero subrecto, basali subin- 
crassato. 
Diam. 15, altit. 74 mill. 
From Sibonga, isle of Zebu; collected by Mr. Cuming. 
2. Hexicrna Apamstana, Pfr. Hel. testd depressd, tenuiusculd, 
sub lente seriebus confertis concentricis pustularum exiguarum 
subasperatd, nitiduld, diaphand, rubelld ; spird brevissime conoi- 
ded; anfractibus 54 planiusculis, ultimo depresso, peripherid ro- 
tundato, antic? non scrobiculato ; aperturd obliqud, subtriangulari ; 
columelld verticali, brevissimd, basi subangulatd, superne in callum 
tenuem, circumscriptum dilatatd ; peristomate angulatim expanso, 
refleviusculo, margine supero breviter soluto, stricto, basali prope 
columellam subdentato. 
Diam. 8, altit. 43 mill. 
From Jamaica. 
3. Heticina amana, Pfr. Hel. testd subsemiglobosd, solidiusculd, ? 
oblique striatuld lineisque impressis concentricis distantibus sculptd, 
nitiduld, roseo et luteo vel albo variegatd ; spird converd, mucro- 
nulatd ; anfractibus 54 vir convewiusculis, ultimo infra medium 
carinato, basi subplano; aperturd obliqud, subtriangulari, intus 
fiavd ; columella brevi, verticaiiter subrimatd, basi angulosd, re- 
trorsum in callum tenuem, diffusum abiente ; peristomate simplice, 
margine supero late expanso, basali reflexo. 
Diam. 15, altit. 94 mill. 
From Honduras. 
