34 GOÉS, RETICULATUAN RttlZOPÖBA OF THE CARIBBEAN SEA. 



Nodosarina leguiiien Lin. 



Tab. II, figg. 20—31. 



Through such interraediate forms as Marffinulina hullata Rss., etc, Nod. leguraen 

 becoraes closely connected with Nod. x^adicula. Its great affinity to Nod. communis has 

 been luentioned. 



The compression of its shell is often very slight. Sometimes it is quite conspi- 

 cuous during a less adult stage but gives place to a cylindrical form by age. Tiie incli- 

 nation of tlie septa to the shells axis is also very variable. But it will still be neces- 

 sary to retain this Linnean species, as it must be used as are presentative type of those 

 broader forms, on which d'Orbigny and others have founded their genera Marginulina 

 and Vaginulina. 



Frondicularia lingua Boll. is a connecting link between Nod. leguinen and Nod. 

 complanata Defr. 



When in the young state the shell is more or less coiled up to a spiral, inter- 

 mediäte forms to Nod. crepidula Ficht. and Moll are originated. 



The pigmy forms of Nod. legumen (0,50 — 1 mm. in length) are not uncommon 

 in the chalk-ooze; the stouter forms (about 12 mm.) oecur in the coralline-gravel. 



Figg. 20 — 21 b is Vwjin. Icevigata Röm. or Vagin. badenensis d'Orb.; it is a dwarfish 

 form from the chalk-bottom. 



Figg. 22 — 25: highly developed forms; some with the older chambers compressed 

 and those of låter growth cylindrical; some with C|uite cylindrical chambers through 

 all stages of growth. The shell is thin, nearly transparent and of a silky lustre. 



Figg. 26 — 26 b: peculiar form, approaching Nod. crepidula. 



Figg. 27 — 27 b: the same as Margin, ensis Reuss and Margin, lituus d'Orb. etc. 

 pygmies from the chalk-ooze. 



Figg. 28 — 31: stouter forms from the coralline-gravel. 



a) Nod. Berthelo t.i d'Oiib. sivc bullata Rss. 



Syn. Margin, bullata llss., 1845, Bölira. Kreide 1, p. 29, t. 13, figg. 34—38; 1859, Westplial. 



Kreide; AVien. Ak. Sitz.-Ber. 40, p. 205, t. 6. figg. 4— G. 

 Margin, pediformis ]!ouneman, 1855, Sept. Tlion Hermsdorff; Ztsclir. deutscb. geol. Gesellsch. 7, 



p. 32('., t. 13, fig. 13. 

 » , subbuUata Hken., 1875, For. Clavul. Szab. Sch., p. 45, t. 4, figg. 12— 13; t. 5, 



figg. 8-9. 

 » comma Röm., 1841, Verstein. Nordd. Kreide, p. 9G, t. 15, fig. 15. 



Bertheloti u'Orb., 1844, lies Canaries, p. 125, t. 1, figg. 12—13. 



') aeuleata, hispida, pustulosa, affinis, agglutinans, eehinata JSTedgeb., 1851, For. Felsö 



Lapugy; Siebenb. Verein. Mittheil. 1851, p. 142, t. 4, figg. 21—25. 

 Crist. (Märg.) spinulosa Käre., 1877, Hocliquell-Wasserleit.; Osterr. geol. Reiclisanst. Abli. 9, p. 382, 



t. IG, fig. 34. 

 Märg. variabilis, Aekneriana, erecta, intermedia Neugeb., 1851, For. Felsö Lapug.; Siebenbiirg. 



Ycrein. Mittlieil. 1851, p. 133, t. 5, figg. 10—16; 18—19 (in var. 

 lituum vergens). 

 » paueiloeulata Hken., 1875, For. Clav. Szåb. Sch., p. 47, t. 14, fig. 10. 



