77 



18. Verraetus (Thylacodes) subcancellatus Bivona. 



Taf. 4. Fig. 5 u. Taf. 8. Fig. 2. 



Tubulus Bouonanni Recr. p. 93 II t. 2 fig. 20. 

 Le Gateau des Vamisseaux Favanne I p. 654 (non t. 10 fig. 3). 

 Tubuli vermicularis Petiver Gazoph. I t. 151 fig. 11. 

 Serpula glomerata Linne XII p. 1266 No. 80. 

 Vermetus — Hanley Ips. Linn. Conen. 



— subcancellatus Bivona 1. c. p. 12. 



— — Philippi Enum. I p. 172 No. 5 t. 10 fig. 20. 



— — — - II p. 141. 



— — Poli et Delle Chiaje t. 15 flg. 18. 



— — Gray Fig. I t. 58 flg. 3. 

 Bivonia — Adams Gen. p. 358. 



— — Gray Guide p. 125. 



Vermetes — Mörch. Proc. zool. soc. 1861 p. 355. 



T. solitaria, rarius gregaria, teres, arete spirata, fere tota affixa, repens, fusca, striis 

 transversis longitudinalibus subcancellata, extremitate antica aliquando libera, porreeta. 



T. subspiralis, gyris frequentibus fere tota adnata, repens aut saltem artice breviter 

 tantum porreeta, lineis elevatis transversis et longitudinalibus cancellata, fusca, rufa aut 

 lutescens. 



Diam. 1 mm. 



Animal atropurpureum, tentaculis cylindricis, retractilibus, superioribus longiusculis, in- 

 feriora fere aequantibus. Operculum completum, tenue, planum. 



Patria: Sicilia. 



var. 1. occlusa Mörch. 1. c. p. 356. 



Vermetus subcancellatus Gray Ann. 1851 VIII p. 479 t. 17B. fig. 4—6. 



— — Froriep Jahrb. 1852. 



var. 2. suturalis (Petaloconchus) Mörch. 1. c. p. 356. 



T. solitaria, lateraliter affexa, irregulariter, spiraliter torta, anfr. plerunque contigui, 

 obliqui, leviter depressi, flavi, versus suturam et umbilicum purpurascentes, longitudinaliter 

 regulariter lirati, lirae versus umbilicum fortiores, rugis transversis approximatis expressis 

 decussatae, laminae internae inaequales, lamina superior plana vel ereeta, leviter arcuata 

 ad basin columellae instrueta; laminarum acie acuta, interdum leviter reflexa; lira medeana 

 columellae valida, acuta, alba, utrinque lirulis duabus obsoletissimis inaequalibus. 



Diam. apt. 2 3 / 4 dram. anfr. alt. 3V 3 mm. 



