TASMANMAN 1IYI'I!( i/,i lA UKKHiS. 291 



Di.^fn'liiilinii. — Previously recorded fi^oin Madeiiu, North 

 Atlantic Ocean (Johnson) ; Station 75, near tlie A/ores, Lat. 

 88^88'N., Lon<r. 28°28'30"W., 450 Fathoms (Allnnm) ; Station 

 1()3a, off T\\n)fokl Bay, New Soutli Wales, 15U Fatlionis (All- 

 niann) ; Station 57, off VVata Mooli, New South Wales, 59-54- 

 i'athonis (Kilchif). 



Family Sl^^RTULAUlU^. 



Genus Skiitularella, (jvay. 



SkktULAREIJ^A AHPRESSA, h'llr/iic. 



(Plate XXV., fig. 2.) 



,'Scrhili'r>'ll<i ,i,li,rrssn, Ritchie, Mem. Austr. i\Ius., iv., 1(5, 1911, 



p. 837, pi. Ixxxv., fig. 5, pi. Ixxxviii., figs. 1, 2 and 9. 



The collection contains two well-preserved specimens, the 

 characters of which agree in detail with Ritchie's description 

 of S<^i'ti(l(ii\'llti (idpi-extid. 



Vinieiisioiis: — 



Pinna, diameter ... ... ... ... 0'42 mm. 



Hydrotheca, length ... ... ... ... 0'42-0'43 mm. 



Hydrotlieca, diameter ... ... ... ... 019-021 mm. 



Gonangium, length ... ... ... ... 2 mm. 



Gonangium, greatest hreadth (frontal aspect) 0'64-071 mm. 



Gonangium, greatest breadth (lateral aspect) 0"52-0"64 mm. 



Ih'.^tn'liiitinii. — Hitherto recorded only from Station 36, off 

 Botany Bay, New Soutli Wales, 23-20 fathoms ; Station 54, 

 within Jervis Bay, New South Wales, 10-11 fathoms (Ritchie). 



Sertulakella divaricata (HkxI-). 

 Sertnlaria diniricKhi, Busk, Voy. "Rattlesnake," 1852, p. 388. 



Sertnlarella divKricdtd, Bale, Cat. Austr. Hydroid Zoophytes, 

 1884, p. 110, pi. iii., fig. 9, pi. xix., fig. 20 ; Id., Bale, 

 Proc. Linn. Soc. N. S. Wales, (2), iii., 1888, p. 761, pi. 

 xvi., figs. 1-2 (vai'. diihia), p. 761, pi. xvi., figs. 3-4 (var. 

 t;ul)ilic/i(itoiiiii). Id., Schneidei', Zool. Jahrb., 10, 1897, p. 

 525. hi, Hartlaub, Abh. Nat. Ver. Hamburg, xvi., 1900, 

 pp. 23, 27, 38, pi. iii., figs. 15-20. LI, Ritchie, Mem. 

 Austr. Mus., iv., 16, 1911, p. 839 (var. snbdirhntoinn). 

 i'/., Bale, Biological Results "Endeavour," ii., 1, 1914, 

 p. 20. 



