D e | 
alhousie Springs hydrobiids 
ac 
B 
D. harrisi. B. D. globosa. ac — 
Figur 
€ 11. Stomachs of paratypes of Dalhousia species, viewed from the left side. A.“ 
intestine, o — oesophagus, pc - 
anterior gastric chamber, c — caecum, dgo - digestive gland opening, i — 
posterior gastric chamber, ss — style sac. Scale 0.5mm. 
wide, AW/ 
im eS 
Pressed; sculpture of indistinct growth lines only. Aperture usually slightly longer than 
entire, with 
L ? 
thin KR (mean 0.94), angled posteriorly. Peristome slightly thickened internally, 
ess d lip attached to parietal wall; external varix absent. Colour yellow-brown to brown due to 
Tacum. There is no significant sexual dimorphism in shell size in the type population. 
Dimensions of holotype. 
Holot SL SW AL AW BW , TW 
m DNA 2) АЖ (Но Quos ыр ш 
€d specimen, Dei 2.77 2.26 1.12 1.03 2.05. 3.6 
(AMS, C.201749) 
Dimensi 
en ; i 
Sions of specimens from paratype series 
Female, N=5 
Minimu SL SW AL AW | BW CV TW 
Seet 1.72 1.00 0.69 0.68 129 01 2.7 
Sec D Am] ley (Ша OP ПЕ GS a 
S.D ЕЕ ma o (ШО 109 400 SHAB 
; On i999 бй (МӨ Ош шю иш 
Male, N=15 
Minim SL SW AL AW | BW CV TW 
ИКЕ кире. О (шу йш бы OID 
EA 2.14 1.28 0.79 077 (9 DER ss 
S.D E v nam. (ММ (бе Ый бо ШТ 
j 020 ok 007 0060 ОШ” (005% wz 
As 
Tabl ay of the shell measurements of additional populations of this species are given in Appendix 
, e ; 
О : 
Se RUE (Fig. 7F-H). Ovate, thin, pale yellow, with eccentric nucleus, with 1-4 well-developed 
merging from white smear on inner side. 
