PLATE II. 



ClAVA MCLTICORNIS, ClAVA DIFt'USA, TuBICLAVA FRUTIC'OSA, TUBICLAVA LUCERNA. 



Fig. 



1. Clava multicornis, magnified. 



2. The same, natural size. 



3. Clava diffusa, magnified. 



4. The same, natural size. 



5. Tubichwa fruticosa, magnified. 



6. The same, natural size. 



7. Tubiclava lucerna, magnified. '. 

 S. The same, natural size. 



