Many thanks, brain dead today. What about 1d. -P-N-S- America, part of caribbean and Central America? Also 17a. Primitive fish like vertebrate, -A-P-E-. The last of the bunch.
Still brain dead, should have thoughrt historically rather than geographically - using long words today. 'Trapped' sounds rather an ominous pseudonym, need any help? Thanks to you both.