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VIII. A m p y X Dalm . 



(iricl. Cryptolithus Green, Triimcleus Murch. 



Corpus contractile. 



Caput angulis posticis elongatis; protuberantia fron- 

 tali angusta, antice dilatata, tumida, plus minus producta; 

 oculis nullis. 



Thorax 5 — 6 — articulatus: rhachide angusta, pleuris 

 horizontalibus apice solum deflexis. 



Abdomen plus minus distincte articulatum. 

 Sect. I. Ampyx Dalm. 



Margo capitis angustus, laevis; protuberantia fronta- 

 lis antice plus minus acuminata, ultra marginem anticum 

 producta. 



1. A. nasutus Dalm. 



A. thorace 6 — articulato, capite triangulari, pro- 

 minentia frontali integra; abdomine triangulari, quam 

 caput minore, laevi. 



Ampyx nasutus Dalm. 54. V. 3. a— c. 



In Ostrogothia (Skarpassen, Husbyfjol, Billingen.) 



2. A. mammillatus Sars. 



A. thorace? capite triangulari, protuberantia frontali 

 subpyriformi , antice obtuse-mucronata, postice utrinque 

 lobis 1 — 2 lateralibus; abdomine? 



Cum hoc scuto capitali saepissime invenitur abdo- 



minale triangulare indistincte articulatum atque costatum. 



Ampyx mammillatus Sars iu: Isis 183.5, p. 335. f. 4. 



In calce nigra ad Christianiam (Ladegaards Oen et 

 Hyartnaestangen). 



3. A. rostratus Ss. 



A. thorace 5 — articulato, protuberantia front. oblonga 



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