... chiragra , from which it appears to differ in being more robust and in the ornamen- tation of the telson and of the sixth abdominal tergite . The crests upon these two plates are the same in number as in chiragra , but are much more ...
... chiragra , from which it appears to differ in being more robust and in the ornamen- tation of the telson and of the sixth abdominal tergite . The crests upon these two plates are the same in number as in chiragra , but are much more ...
... chiragra . In Demani the telson has usually a smaller or higher number of spinules ; " apart from this feature G. demani bears a close resemblance to G. chiragra , from which , however , it may be separated by the shape of the dorsal ...